{"product_id":"sea-to-summit-ether-light-xr-pro-insulated-air-mat","title":"Sea to Summit Ether Light XR Pro Insulated Air Mat","description":"\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003ctitle\u003eEther Light XR Pro Insulated Air Sleeping Pad\u003c\/title\u003e\u003cstyle\u003e\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@400;600;700;800\u0026family=Barlow:wght@300;400;500;600\u0026display=swap');\n:root { --black: #0a0a0a; --white: #ffffff; --mid: #f5f5f5; --border: #e8e8e8; --muted: #999; --body: #222; }\n* { box-sizing: border-box; margin: 0; padding: 0; }\n.spur-wrap { font-family: 'Barlow', sans-serif; background: var(--white); color: var(--black); max-width: 1100px; margin: 0 auto; padding: 48px 24px; }\n.spur-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 48px; border-bottom: 1px solid var(--border); padding-bottom: 24px; 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font-weight: 300; color: #555; line-height: 1.45; }\n.size-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 8px; }\n.size-card { border: 1px solid var(--border); border-radius: 4px; padding: 14px 12px; background: var(--mid); }\n.size-name { font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }\n.size-stat { font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 2px; }\n.size-val { font-size: 13px; font-weight: 500; color: var(--body); margin-bottom: 8px; line-height: 1.4; }\n.size-val:last-child { margin-bottom: 0; }\n@media (max-width: 600px) { .spec-row { grid-template-columns: 1fr; } .spec-key { padding-bottom: 2px; } .spec-val { padding-top: 0; padding-bottom: 12px; } .size-grid { grid-template-columns: 1fr; } }\n\u003c\/style\u003e\u003cscript src=\"chrome-extension:\/\/idnnbdplmphpflfnlkomgpfbpcgelopg\/inpage.js\" id=\"xverse-wallet-provider\" data-is-priority=\"true\"\u003e\u003c\/script\u003e\u003cdiv class=\"spur-wrap\"\u003e\n\u003cdiv class=\"spur-header\"\u003e\n\u003cdiv class=\"spur-title\"\u003eEther Light XR Pro Insulated Air Sleeping Pad\u003c\/div\u003e\n\u003cdiv class=\"spur-meta\"\u003eUltralight 4-Season Air Pad · 10 cm \/ 4 in Thick · 5-Layer ThermalCore · R-Value 7.4 · Airstream Pump Integrated\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cinput type=\"radio\" name=\"spur-tabs\" id=\"tab-desc\" class=\"tab-radio\" checked\u003e\u003cinput type=\"radio\" name=\"spur-tabs\" id=\"tab-key\" class=\"tab-radio\"\u003e\u003cinput type=\"radio\" name=\"spur-tabs\" id=\"tab-specs\" class=\"tab-radio\"\u003e\u003cinput type=\"radio\" name=\"spur-tabs\" id=\"tab-care\" class=\"tab-radio\"\u003e\u003cdiv class=\"tab-nav\"\u003e\n\u003clabel for=\"tab-desc\"\u003eDescription\u003c\/label\u003e\u003clabel for=\"tab-key\"\u003eKey Features\u003c\/label\u003e\u003clabel for=\"tab-specs\"\u003eSpecifications\u003c\/label\u003e\u003clabel for=\"tab-care\"\u003eCare\u003c\/label\u003e\n\u003c\/div\u003e\n\u003cscript\u003e\n(function(){\n var names = ['desc','key','specs','care'];\n function show(n){\n names.forEach(function(t){\n var panel = document.querySelector('.' + t + '-panel');\n if(panel) panel.style.setProperty('display', (t === n) ? 'block' : 'none', 'important');\n });\n }\n names.forEach(function(t){\n var input = document.getElementById('tab-' + t);\n if(input) input.addEventListener('change', function(){ show(t); });\n var label = document.querySelector('label[for=\"tab-' + t + '\"]');\n if(label) label.addEventListener('click', function(){\n show(t);\n var inp = document.getElementById('tab-' + t);\n if(inp) inp.checked = true;\n });\n });\n show('desc');\n})();\n\u003c\/script\u003e\u003cdiv class=\"spur-panels\"\u003e\n\u003c!-- DESCRIPTION PANEL --\u003e\u003cdiv class=\"tab-panel desc-panel\"\u003e\u003cp class=\"desc-intro\"\u003eAn evolution of the renowned Ether Light mats has arrived with the XR Pro. Staying true to their comfort and durability, the XR Pro boasts ThermalCore technology which increases insulation value while keeping weight and packed volume to a minimum. Air Sprung Cell construction provides 10cm of plush comfort wherever you sleep. Inflation and deflation are a breeze with the XPRESS valve and Airstream pump built into the stuff sack. With double the weld strength of previous models the XR Pro is perfect for alpine adventurers, cold-weather hunters to winter campers. Outdoor winter sleep never felt this good.\u003c\/p\u003e\u003c\/div\u003e\n\u003c!-- KEY FEATURES PANEL --\u003e\u003cdiv class=\"tab-panel key-panel\"\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eR-Value 7.4\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eASTM F3340 4-season capable — winter camping, mountaineering, sub-freezing use.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e5-Layer ThermalCore\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e5 layers of TRM (Thermal Reflective Membrane) — vs standard XR's 3 layers — nearly 2x R-Value.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e10 cm Loft\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePlush 4 in — same comfort as standard XR. Eliminates pressure points.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e\"Quiet\" TRM\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eSoft thermal material — much quieter than traditional reflective films (per FAQ).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAirstream Pump\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eStuff sack doubles as pump — 3-4 breath inflate vs 20+ via mouth.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003ePillowLock System\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePatches secure STS Aeros Pillow for slip-free sleep.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eSize Comparison (5 Sizes)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e5-Layer ThermalCore (vs 3-Layer in Standard XR)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ether Light XR Pro uses \u003cstrong\u003eFIVE layers of ThermalCore \/ TRM\u003c\/strong\u003e — vs the standard Ether Light XR's THREE layers:\n\n\u003cstrong\u003ePer STS:\u003c\/strong\u003e \"ThermalCore insulation consists of multiple TRM layers that are quiet and reflect back infrared energy to the sleeper for increased insulation.\"\n\n\u003cstrong\u003eThe math of more layers = more insulation:\u003c\/strong\u003e\n- Each TRM layer is a thin film that reflects infrared heat\n- Each layer adds a small amount of R-Value\n- 3 layers → R-Value 4.1 (standard XR)\n- 5 layers → R-Value 7.4 (XR Pro)\n- ~80% more R-Value for ~67% more layers\n\n\u003cstrong\u003eWhat this means practically:\u003c\/strong\u003e\n- R-Value 4.1 = \"down to conditions where a hard frost might occur\"\n- R-Value 7.4 = \"well below freezing\" per STS FAQ\n- Air\/ground temperatures down to -20°F \/ -29°C or colder\n- Winter camping, mountaineering, snow camping all viable\n\n\u003cstrong\u003eCost trade-off:\u003c\/strong\u003e\n- More TRM = more material = heavier (Pro = 720 g Large vs 605 g XR)\n- More TRM = more cost ($249 Large vs $219 XR)\n- Worth it for winter + serious cold use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e\"Quiet\" Thermal Material (NEW SPECIFIC TO PRO)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePer STS FAQ: \"Is the reflective layer inside the mat noisy? \u003cstrong\u003eNo. The ThermalCore materials are much softer than traditional reflective films.\u003c\/strong\u003e The construction means the material is not under stress when in use. This is often the case with baffles made of reflective film. Some sound will come from the high-thread count face fabric depending on the sleeping bag\/tent floor it comes into contact with.\"\n\n\u003cstrong\u003eWhy this matters:\u003c\/strong\u003e\n- Traditional reflective films make a \"crinkly\" noise when moved\n- TRM is soft + supple (no crinkle)\n- Quiet even when shifting position in the night\n- Real comfort gain (no rustling wakes partner or self)\n\n\u003cstrong\u003eThe remaining sound source:\u003c\/strong\u003e\n- High-thread-count face fabric (the 30D nylon shell)\n- Some friction with sleeping bag or tent floor\n- Normal for any sleeping pad\n- Not a \"crinkle\" — just normal fabric-on-fabric sound\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eFour-Season Capable (vs 3-Season Standard XR)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePer STS FAQ: \"Can you use an Ether Light XR Pro for winter camping? \u003cstrong\u003eAbsolutely\u003c\/strong\u003e — the ThermalCore insulation makes it suitable for air\/ground temperatures well below freezing.\"\n\n\u003cstrong\u003eCritical safety note (per FAQ):\u003c\/strong\u003e \"In critical situations, a closed-cell foam mat should always be used as a just-in-case insulating layer.\"\n\n\u003cstrong\u003eWhat this means:\u003c\/strong\u003e\n- The Pro is rated for true 4-season use (winter + sub-freezing)\n- A foam mat (R-Value 3.5+) is recommended as backup for extreme cold\n- Inflatable mats can fail (puncture, valve damage)\n- Foam mat = guaranteed insulation if Pro fails\n- Especially important in alpine \/ winter \/ remote settings\n\n\u003cstrong\u003ePractical winter setup:\u003c\/strong\u003e\n- Ether Light XR Pro (R-Value 7.4) primary insulation\n- Foam mat underneath (R-Value 3.5+) as backup\n- Combined = R-Value 10.9+ (extreme cold capable)\n- Pair with proper winter sleeping bag, snow shelter, etc.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e25% Lighter + Half Packed Size vs Prior Pro Models\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePer STS: \"25% lighter weight and half the packed size compared to prior models.\"\n\n\u003cstrong\u003eWhat \"prior models\" means:\u003c\/strong\u003e\n- Comparison is to previous Ether Light Pro models (not the standard XR)\n- The Pro has been continuously improved across generations\n- This 2025 release is the lightest + smallest Pro yet\n\n\u003cstrong\u003eImplications:\u003c\/strong\u003e\n- Same R-Value 7.4 as the prior Pro\n- 25% lighter weight\n- Half the packed volume\n- Massive improvement over previous generation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eSame Air Sprung Cell + XPRESS + PillowLock as XR\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Pro shares most of its construction with the standard Ether Light XR:\n\n\u003cstrong\u003eAir Sprung Cell construction:\u003c\/strong\u003e\n- Same proprietary small-air-pocket design\n- Same 10 cm \/ 4 in thickness\n- Same body-conforming feel\n- Top-tier comfort in both versions\n\n\u003cstrong\u003eXPRESS Valve:\u003c\/strong\u003e\n- Same high-airflow valve\n- Same inflation\/deflation ease\n- Compatible with the same Airstream pump (in stuff sack)\n\n\u003cstrong\u003ePillowLock System:\u003c\/strong\u003e\n- Same patches on the mat top\n- Same Aeros Pillow attachment\n- Same slip-free sleep\n\n\u003cstrong\u003eDifferences from standard XR:\u003c\/strong\u003e\n- More TRM layers (5 vs 3)\n- Higher R-Value (7.4 vs 4.1)\n- Heavier (Pro adds thermal layers)\n- More expensive\n- Four-season vs extended 3-season\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAward-Worthy Four-Season Pad\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ether Light XR Pro represents STS's premium 4-season air sleeping pad:\n\n\u003cstrong\u003eWhat makes it special:\u003c\/strong\u003e\n- R-Value 7.4 is exceptional (most air pads are 3-5)\n- Quiet TRM (no crinkle)\n- 25% lighter than prior Pro models\n- Half the packed size of prior Pro models\n- Same comfort as standard XR (10 cm plush)\n- PillowLock + Airstream pump same as XR\n\n\u003cstrong\u003eCompared to other winter mats:\u003c\/strong\u003e\n- Most winter mats are 800-1500 g\n- Pro at 720-850 g is among the lightest\n- Doesn't sacrifice R-Value for weight\n- Best of both worlds for winter backpacking\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eComparison: Ether Light XR Pro vs Standard XR vs Detour SI Mates\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eMulti-product positioning:\n\n| Product | Type | R-Value | Weight (Large) | Price (Large) | Season |\n|---|---|---|---|---|---|\n| Ether Light XR Pro | \u003cstrong\u003eAir-only\u003c\/strong\u003e | \u003cstrong\u003e7.4\u003c\/strong\u003e | 720 g \/ 25.4 oz | \u003cstrong\u003e$249\u003c\/strong\u003e | \u003cstrong\u003e4-season (winter)\u003c\/strong\u003e |\n| Ether Light XR | \u003cstrong\u003eAir-only\u003c\/strong\u003e | 4.1 | 605 g \/ 21.3 oz | $219 | Extended 3-season |\n| Comfort Deluxe SI Mat | \u003cstrong\u003eFoam + air\u003c\/strong\u003e | \u003cstrong\u003e7.7\u003c\/strong\u003e | 917 g \/ 32.3 oz | $355 | \u003cstrong\u003e4-season (extreme cold)\u003c\/strong\u003e |\n| Camp Plus SI Mat | \u003cstrong\u003eFoam + air\u003c\/strong\u003e | 5.3 | 1131.4 g \/ 39.9 oz | $134.95 | Extended 3-season |\n| Camp SI Mat | \u003cstrong\u003eFoam + air\u003c\/strong\u003e | 4.2 | 869 g \/ 30.7 oz | $100.95 | 3-season |\n\n\u003cstrong\u003eChoose Ether Light XR Pro for:\u003c\/strong\u003e\n- \u003cstrong\u003eUltralight winter backpacking\u003c\/strong\u003e\n- Mountaineering (high altitude)\n- 4-season use with minimal weight\n- Best R-Value-to-weight ratio in STS line\n\n\u003cstrong\u003eChoose Comfort Deluxe SI Mat for:\u003c\/strong\u003e\n- Car camping (weight doesn't matter)\n- Lower P-value placements (foam = reliable)\n- Maximum comfort (10 cm thick, foam-padded)\n- Less critical cold weather (foam backup is built-in)\n\n\u003cstrong\u003eChoose Ether Light XR (not Pro) for:\u003c\/strong\u003e\n- 3-season backpacking (no winter needs)\n- Maximum weight savings\n- Lower budget\n\n\u003cstrong\u003eChoose Detour SI Mates for:\u003c\/strong\u003e\n- Car camping (foam + air hybrid is comfortable out of box)\n- Mix of foam reliability + air compressibility\n- Multi-day reliability (no air leaks = no cold night)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eBest Use Cases\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eWinter Backpacking (PRIMARY):\u003c\/strong\u003e\n- Sub-freezing air temperatures\n- Snow camping\n- Snowshoeing + camping\n- Cold shoulder-season trips\n\n\u003cstrong\u003eMountaineering:\u003c\/strong\u003e\n- High altitude (cold + weight-critical)\n- Base camp + above\n- Technical climbs\n\n\u003cstrong\u003eCold-Weather Hunting:\u003c\/strong\u003e\n- Late-season hunting (Dec-Feb)\n- Backcountry cold hunts\n- Winter cabin trips\n\n\u003cstrong\u003e4-Season Thru-Hiking:\u003c\/strong\u003e\n- PCT, AT, CDT section hiking year-round\n- Year-round comfort\n\n\u003cstrong\u003eSnow Sports + Overnight:\u003c\/strong\u003e\n- Backcountry skiing + bivouac\n- Snowshoe camping\n- Winter family camping\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eCompatible Accessories\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eSTS Aeros Pillow:\u003c\/strong\u003e Pairs with \u003cstrong\u003ePillowLock\u003c\/strong\u003e patches on the mat. Premium + Ultralight versions.\n\n\u003cstrong\u003eSTS Emb Down Quilt \/ STS Sleeping Bags:\u003c\/strong\u003e Use with Pro for winter warmth. Ember Quilt (45°F) + Pro = down to freezing. Pair with Reactor Liner for colder.\n\n\u003cstrong\u003eClosed-Cell Foam Mat\u003c\/strong\u003e (any brand): Per STS FAQ, recommended backup for critical winter situations. R-Value 3.5+ ideal.\n\n\u003cstrong\u003eSTS Airstream Pump Sack:\u003c\/strong\u003e Integrated with the mat (no separate purchase needed). Compatible with other STS air mats.\n\n\u003cstrong\u003eRepair Kit:\u003c\/strong\u003e Comes included. Field-repairable for small punctures.\n\n\u003cstrong\u003eTent \/ Tarp \/ Bivy:\u003c\/strong\u003e Use under any STS shelter. For winter, consider 4-season tents (snow load).\n\n\u003cstrong\u003eSleeping Bag Liners:\u003c\/strong\u003e STS Reactor (warmest) or Thermolite (mid-weight) — boost the system warmth.\n\n\u003cstrong\u003eCompression Stuff Sack:\u003c\/strong\u003e Optional — for hard compression beyond the included stuff sack.\n\n\u003cstrong\u003eGround Control \/ Ground Control Light Pegs:\u003c\/strong\u003e For tarp pairing (Escapist Evo Tarp uses these).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SPECIFICATIONS PANEL --\u003e\u003cdiv class=\"tab-panel specs-panel\"\u003e\n\u003cp class=\"spec-category\"\u003ePerformance\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eBest Use\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e\u003cstrong\u003eWinter Camping · Mountaineering · Cold Weather Backpacking · Snow Sports · Cold-Weather Hunting\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eActivity Tier\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eUltralight (525-790 g depending on size) · Ultra Compact (packs to 8-9 × 5 × 5 in)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eR-Value\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e\n\u003cstrong\u003e7.4\u003c\/strong\u003e (ASTM F3340 — \"well below freezing\" per STS FAQ · 4-season capable)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eThickness\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e10 cm \/ 3.94 in \/ 4 in (plush Air Sprung Cell)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eClimate Range\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e\n\u003cstrong\u003e4-season\u003c\/strong\u003e including winter, mountaineering, cold-weather hunting (vs XR's 3-season)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eInflation System\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eXPRESS valve + integrated Airstream pump (3-4 breath inflate)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eWeight Capacity\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e300 lb \/ 140 kg (per FAQ — supports very heavy sleepers via mouth inflation pressure)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eConstruction\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eMaterial\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eMat: 100% Nylon · Valve: 100% TPU · Stuff Sack: 100% Nylon\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eInsulation Technology\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e\n\u003cstrong\u003eThermalCore\u003c\/strong\u003e with \u003cstrong\u003e5 layers of TRM\u003c\/strong\u003e (Thermal Reflective Membrane) — vs standard XR's 3 layers\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eAir Cell Construction\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e\n\u003cstrong\u003eAir Sprung Cell\u003c\/strong\u003e (10 cm \/ small individual air pockets)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eWeld Strength\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e\"Double the weld strength of previous models\" (per STS)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003ePillowLock Patches\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eYes (secures STS Aeros Pillow)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eTreatment\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eNon-PFAS, flame-retardant free (per FAQ — all STS sleep products)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSound\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e\n\u003cstrong\u003eQuiet\u003c\/strong\u003e TRM (per FAQ — \"much softer than traditional reflective films\")\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eVariants \u0026amp; Dimensions\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSmall (Tapered)\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSKU A3406 · 168 × 55 × 10 cm \/ 66 × 22 × 4 in · 525 g \/ 18.5 oz (585 g packed) · Packed 21 × 12 × 12 cm \/ 8 × 5 × 5 in · User up to 168 cm \/ 5'6\" · $219.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eRegular (Tapered)\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSKU A3407 · 183 × 55 × 10 cm \/ 72 × 22 × 4 in · 560 g \/ 19.8 oz (620 g packed) · Packed 21 × 12 × 12 cm \/ 8 × 5 × 5 in · User up to 183 cm \/ 6'0\" · $229.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eRegular Rectangular Wide\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSKU A3409 · 183 × 64 × 10 cm \/ 72 × 25 × 4 in · 720 g \/ 25.4 oz (780 g packed) · Packed 24 × 13.5 × 13.5 cm \/ 9 × 5 × 5 in · User up to 183 cm \/ 6'0\" · $269.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLarge (Tapered) — THIS\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSKU A3408 · 198 × 64 × 10 cm \/ 78 × 25 × 4 in · 720 g \/ 25.4 oz (780 g packed) · Packed 24 × 12.5 × 12.5 cm \/ 9 × 5 × 5 in · User up to 198 cm \/ 6'6\" · $249.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLarge Rectangular\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSKU A3410 · 198 × 64 × 10 cm \/ 78 × 25 × 4 in · 790 g \/ 27.9 oz (850 g packed) · Packed 24 × 13.5 × 13.5 cm \/ 9 × 5 × 5 in · User up to 198 cm \/ 6'6\" · $289.00\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eIncludes\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eIn the Box\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eStuff sack with integrated Pumpsack · PillowLock patches · Repair kit\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eProfile\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eBrand\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSea to Summit (Australian outdoor gear, founded 1983, Boulder CO US HQ)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eCategory\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSleeping Pads \/ Inflatable Pads \/ 4-Season Pads \/ Winter Backpacking Pads\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLaunch\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e25NewProduct (May 2025 launch per MAY_25 tag)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003ePosition in STS Lineup\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003ePremium 4-season air pad (above standard Ether Light XR 3-season)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- CARE PANEL --\u003e\u003cdiv class=\"tab-panel care-panel\"\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eCritical Winter Safety Note (Per FAQ)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003ePer STS FAQ:\u003c\/strong\u003e \"In critical situations, a closed-cell foam mat should always be used as a just-in-case insulating layer.\"\n\n\u003cstrong\u003eWhy this matters:\u003c\/strong\u003e\n- Inflatable mats CAN fail (puncture, valve damage, weld failure)\n- In winter\/sub-freezing conditions, an uninsulated sleeper = hypothermia risk\n- A foam mat provides guaranteed insulation even if the Pro fails\n- \"Just-in-case\" = safety backup, not primary\n\n\u003cstrong\u003eWhen this is critical:\u003c\/strong\u003e\n- Below freezing temperatures\n- Remote backcountry (no rescue easy)\n- Alpine climbs\n- Snow camping\n- Any situation where failure = danger\n\n\u003cstrong\u003ePractical setup:\u003c\/strong\u003e\n- Ether Light XR Pro (R-Value 7.4) primary\n- Closed-cell foam mat (R-Value 3.5+) underneath\n- Combined = R-Value 10.9+ (extreme cold)\n- Foam mat = insurance\n\n\u003cstrong\u003eWhen less critical (warm weather):\u003c\/strong\u003e\n- Below ~50°F \/ 10°C air temperature\n- Easy rescue \/ road access\n- Single-night easy terrain\n- Pro alone is sufficient\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eInflation \u0026amp; Deflation Best Practices (COLD WEATHER)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\nPer STS FAQ: \"An Air Sprung Cell mat normally runs at 0.5 to 0.7psi. More air pressure supports a greater weight. A sleeper weight of 140 kg \/ 300 lb requires a pressure reachable by mouth inflation, but significantly below the 8psi load limit of the welds.\"\n\n\u003cstrong\u003eCold-weather inflation tips:\u003c\/strong\u003e\n- Inflate in warm tent, not in cold wind\n- Air contracts in cold — over-inflate slightly for evening\n- Add a few breaths of top-up if cold overnight\n- Cold morning = slightly softer mat (normal)\n\n\u003cstrong\u003eWhy this matters:\u003c\/strong\u003e\n- Cold air contracts (Charles's Law)\n- Pad feels softer at sub-freezing\n- Loosen fibers at lower pressure = less insulation\n- Top-up before deep sleep hours\n\n\u003cstrong\u003eFirmness tuning:\u003c\/strong\u003e\n- Pressure 0.5-0.7 psi is normal range\n- Sleep position affects perceived firmness\n- Side sleepers prefer softer (more give at hips)\n- Back sleepers prefer firmer (more support)\n- Adjust per personal preference\n\n\u003cstrong\u003eDeflation:\u003c\/strong\u003e\n- Open XPRESS valve fully\n- Press air out from foot toward valve\n- Roll tightly for packing\n- Cold deflation is faster (less air humidity)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003ePillowLock System Care\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\nThe PillowLock patches grippy surface needs occasional care:\n\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e\n- Wipe with damp cloth\n- Hand-wash in mild soap if needed\n- Air dry fully\n- No fabric softener (coats grippy texture)\n\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e\n- Replaceable patches if needed\n- STS sells replacement patches\n- Apply to clean, dry mat surface\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eField Repair in Winter (Added Risk)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\nField repair in winter is \u003cstrong\u003ehigher risk\u003c\/strong\u003e than in summer:\n\n\u003cstrong\u003eWhy winter field repair is harder:\u003c\/strong\u003e\n- Cold hands = poor dexterity for patches\n- Adhesive needs warm temps to cure (24-hour cure)\n- Snow\/ice = contamination of repair area\n- No easy way to dry the area in cold\n- Field repair may be too slow to survive cold night\n\n\u003cstrong\u003ePer STS:\u003c\/strong\u003e A backup foam mat is recommended for winter camping (\"In critical situations, a closed-cell foam mat should always be used as a just-in-case insulating layer.\")\n\n\u003cstrong\u003ePractical winter repair:\u003c\/strong\u003e\n1. Move mat to sheltered spot (tent)\n2. Body-heat to warm the mat surface\n3. Clean with included alcohol wipe\n4. Apply patch from repair kit\n5. Hold with body heat\n6. Top with foam mat immediately\n7. Sleep on top of foam mat (the Pro stays broken until a fix is possible)\n\n\u003cstrong\u003eIf repair fails:\u003c\/strong\u003e\n- Use foam mat for the rest of the trip\n- Send Pro for warranty repair at home\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eThermalCore \/ TRM Layer Care\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eAvoid:\u003c\/strong\u003e\n- Folding the mat (compresses the TRM layers over time)\n- High heat (melts the TRM layers — don't store near heaters)\n- Direct sunlight for extended periods (UV degrades TRM)\n- Sharp folds (creases damage the layers)\n\n\u003cstrong\u003eStorage:\u003c\/strong\u003e\n- \u003cstrong\u003eStore loosely\u003c\/strong\u003e (rolled loosely, not folded)\n- Don't store compressed for months\n- Avoid storing rolled tight\n- Room temperature (not hot car trunks)\n\n\u003cstrong\u003eHow TRM works (don't damage it):\u003c\/strong\u003e\n- Each layer is a thin film with reflective coating\n- Heating above ~120°F can melt the coating\n- UV degrades the reflective material\n- Physical compression flattens the layers\n\n\u003cstrong\u003eInflation cycle benefit:\u003c\/strong\u003e\n- The mat's natural curvature helps the TRM layers stay slightly spaced\n- Repeated inflation cycles preserve the loft\n- Don't over-inflate (over-pressure = uncompressed TRM = less efficient)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eStorage\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eBetween trips:\u003c\/strong\u003e\n- Clean and dry before storing\n- Deflate fully\n- Loosely roll (not tight compression)\n- Store in stuff sack or loose\n- Room temperature\n\n\u003cstrong\u003eLong-term storage:\u003c\/strong\u003e\n- Don't store compressed for months\n- Spread out flat in a closet if possible\n- Or loosely fold in a large container\n- Compression damages air cell structure + insulation\n\n\u003cstrong\u003eInflated storage (alternative):\u003c\/strong\u003e\n- Leave inflated for long-term\n- Acts as a guest bed\n- Saves compression cycles\n\n\u003cstrong\u003eWinter storage specifically:\u003c\/strong\u003e\n- \u003cstrong\u003eRoom temperature\u003c\/strong\u003e (NOT outdoors, NOT unheated garage)\n- Cold storage = TRM becomes brittle over time\n- Warm before next use (let sit at room temp for 12+ hours)\n- Inflate after warming (don't try to inflate frozen)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAvoid These Failure Modes\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eDon't:\u003c\/strong\u003e\n- Inflate mouth if pump is available (moisture + slow)\n- Over-inflate (strains welds)\n- Use as a flotation device\n- Leave in direct sunlight for hours (UV damages TRM)\n- Store compressed for months\n- Use as primary insulation in winter WITHOUT foam backup\n- Sleep on sharp objects (rocks, sticks, pine cones)\n- Use harsh chemicals on the face fabric\n- Wash in a top-loader\n\n\u003cstrong\u003eIf damaged in field (winter priorities):\u003c\/strong\u003e\n1. \u003cstrong\u003eApply foam mat backup IMMEDIATELY\u003c\/strong\u003e (don't wait)\n2. Move to sheltered spot\n3. Attempt field repair (but may not cure)\n4. Sleep on combined system (foam + broken Pro)\n5. Send for warranty repair at home\n\n\u003cstrong\u003eIf mat won't inflate in cold:\u003c\/strong\u003e\n- Warm the mat first (room temp)\n- The TRM\/insulation can become stiff when frozen\n- Don't force inflation in cold (can damage)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eSustainability \u0026amp; End-of-Life\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003ePremium build = long life:\u003c\/strong\u003e\n- 5 layers\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"One Color \/ Small","offer_id":52743306051904,"sku":"A3406","price":219.0,"currency_code":"USD","in_stock":true},{"title":"One Color \/ Regular","offer_id":52743306084672,"sku":"A3407","price":229.0,"currency_code":"USD","in_stock":true},{"title":"One Color \/ Regular Rectangular Wide","offer_id":52743306117440,"sku":"A3409","price":269.0,"currency_code":"USD","in_stock":true},{"title":"One Color \/ Large","offer_id":52743306150208,"sku":"A3408","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7487\/5549\/files\/A3406_25df12e0-3f82-4896-a6fd-c0dc2f145186.jpg?v=1783364295","url":"https:\/\/spokex.com\/products\/sea-to-summit-ether-light-xr-pro-insulated-air-mat","provider":"SX Collective","version":"1.0","type":"link"}