{"product_id":"sea-to-summit-ether-light-xr-insulated-air-mat","title":"Sea to Summit Ether Light XR 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 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; flex-wrap: wrap; 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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 Insulated Air Sleeping Pad\u003c\/div\u003e\n\u003cdiv class=\"spur-meta\"\u003eUltralight Air Sprung Cell Pad · 10 cm \/ 4 in Thick · ThermalCore Insulation · R-Value 4.1 · 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\"\u003eAfter a long day on the trail, the Ether Light XR eases you to sleep with its 10cm of Air Sprung Cell plush comfort. Getting your mat ready for the night is easy too — the Airstream pump integrated into the stuff sack and a high-airflow XPRESS valve make inflation quick and simple. ThermalCore technology provides a greater level of insulation than prior models, while keeping weight and volume low. Pop an Ether Light XR in your pannier or backpack and head into the backcountry knowing that your sleep comfort is one less thing to worry about.\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\"\u003e10 cm \/ 4 in Loft\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePlush, mattress-like comfort in a 16-25 oz pack. Eliminates pressure points.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eThermalCore Insulation\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eSuspended TRM (Thermal Reflective Membrane) reflects body warmth back. Higher insulation, lower weight than prior models.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eASTM R-Value 4.1\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eTested to ASTM F3340 standard. \"Down to conditions where a hard frost might occur\" per STS.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAir Sprung Cell\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eSTS-proprietary small-air-pocket construction. Mimics body contours for stable comfort.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eIntegrated Airstream Pump\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eStuff sack doubles as pump sack. Inflate in 3-4 breaths vs 20+ with 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 on the mat secure Aeros Pillow. Sleep-in-place + no pillow migration.\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\"\u003eThermalCore Insulation (NEW TECH)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ether Light XR uses \u003cstrong\u003eThermalCore insulation\u003c\/strong\u003e — STS's updated tech over prior Ether models:\n\n\u003cstrong\u003eWhat ThermalCore is:\u003c\/strong\u003e\n- Three layers of thermal-reflective material\n- \"Suspended TRM layer\" (Thermal Reflective Membrane)\n- Each layer has a tiny reflective coating\n- Body heat radiates back to the sleeper (instead of escaping downward)\n\n\u003cstrong\u003eHow it works:\u003c\/strong\u003e\n- Body heat rises and radiates\n- TRM layers intercept this radiation\n- Reflect heat back UP toward the sleeper\n- Less heat loss = warmer with less material\n- More efficient than the older Ether Light's insulation\n\n\u003cstrong\u003eBenefits per STS:\u003c\/strong\u003e\n- \"Greater level of insulation than prior models\"\n- \"while keeping weight and volume low\"\n- Net effect: warmer pack, lighter than older model\n\n\u003cstrong\u003eWhy this matters for cold nights:\u003c\/strong\u003e\n- R-Value 4.1 (vs older Ether Light ~3.5)\n- Suitable for \"conditions where a hard frost might occur\"\n- Extended 3-season capable\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAir Sprung Cell Construction (STS PROPRIETARY)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ether Light XR uses \u003cstrong\u003eAir Sprung Cell\u003c\/strong\u003e — STS's proprietary air-pad construction:\n\n\u003cstrong\u003eWhat Air Sprung Cell is:\u003c\/strong\u003e\n- Mat divided into dozens of small air pockets (cells)\n- Each cell is individually sealed\n- Cells deform independently based on pressure points\n- Mimics body contours\n\n\u003cstrong\u003eCompare to standard air pads:\u003c\/strong\u003e\n- Standard pads: 1-2 large air chambers\n- One leak = the whole pad deflates\n- Air doesn't contour\n\n\u003cstrong\u003eCompare to self-inflating (foam) pads:\u003c\/strong\u003e\n- Foam pads: foam compresses under pressure\n- Air Sprung: air cells compress individually\n- More comfortable (cells adapt to body), lower weight\n\n\u003cstrong\u003eWhy this works:\u003c\/strong\u003e\n- High-pressure areas (hips, shoulders) have cells that compress more\n- Low-pressure areas (back of knees, waist) have fuller cells\n- The pad forms to your body\n- Sleep position changes → cells redistribute\n- \"4-position sleeping\" doesn't matter — every position is comfortable\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eXPRESS Valve + Airstream Pump (Inflation System)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ether Light XR uses \u003cstrong\u003eXPRESS valve + integrated Airstream pump\u003c\/strong\u003e:\n\n\u003cstrong\u003eTwo-component system:\u003c\/strong\u003e\u003cstrong\u003e1. XPRESS Valve:\u003c\/strong\u003e\n- High-airflow design\n- Easy to inflate (large opening)\n- Easy to adjust firmness (partial deflate = softer)\n- One-way design when connected to pump\n- Standard for STS air pads\n\n\u003cstrong\u003e2. Airstream Pump (in stuff sack):\u003c\/strong\u003e\n- Stuff sack doubles as a pump sack\n- Standard inflation: roll the top, fill with arms, push air through\n- Reduces mouth-inflation by ~70% (per FAQ)\n- 3-4 breaths via pump vs 20+ via mouth (per FAQ)\n\n\u003cstrong\u003eInflation steps:\u003c\/strong\u003e\n1. Unroll the mat on flat ground\n2. Open the XPRESS valve\n3. Connect the pump sack\n4. Fill pump with arm strokes\n5. Press the air into the mat\n6. Close the valve when at desired firmness\n7. Adjust by opening valve briefly to release air\n\n\u003cstrong\u003eFirmness tuning:\u003c\/strong\u003e\n- More inflation = firmer (good for back sleepers)\n- Less inflation = softer (good for side sleepers)\n- Start with medium firmness, adjust after 30 min in the tent\n\n\u003cstrong\u003eDeflation:\u003c\/strong\u003e\n- Open the XPRESS valve fully\n- Press the mat flat from foot end to valve end\n- Roll tightly\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003ePillowLock System (NEW)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003ePillowLock\u003c\/strong\u003e is STS's pillow attachment system:\n\n\u003cstrong\u003eWhat PillowLock does:\u003c\/strong\u003e\n- Mat has patches (or strips) of grippy material on the top surface\n- STS Aeros Pillow has matching patches underneath\n- Pillow sticks in place on the mat — doesn't slide off\n- Sleep all night without re-positioning the pillow\n\n\u003cstrong\u003ePairs with:\u003c\/strong\u003e\n- STS Aeros Pillow (Premium, Ultralight, Down, etc.)\n- Any pillow with matching patches\n\n\u003cstrong\u003ePractical value:\u003c\/strong\u003e\n- Side sleepers: pillow stays put when rolling\n- Active sleepers: pillow doesn't migrate\n- Tighter fit than loose pillow on flat mat\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eASTM F3340 R-Value 4.1 Testing (NEW STANDARD)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ether Light XR uses the \u003cstrong\u003eASTM F3340 standard\u003c\/strong\u003e for R-Value testing:\n\n\u003cstrong\u003eWhat F3340 is:\u003c\/strong\u003e\n- Industry-standard sleeping pad thermal resistance test\n- Replaces older \"self-reported\" R-Values that varied by brand\n- Test method: measure heat flow through the pad under standardized conditions\n- Comparable across brands (Therm-a-Rest, Big Agnes, Nemo, Exped, STS)\n\n\u003cstrong\u003eR-Value 4.1 in practice (per STS FAQ):\u003c\/strong\u003e\n- \"Suitable down to conditions where a hard frost might occur\"\n- Approximately 25-28°F \/ -3 to -2°C\n- Spring\/fall 3-season use\n- NOT for hard winter (use R-Value 5+)\n\n\u003cstrong\u003eCompare to my earlier Detour SI Mat builds:\u003c\/strong\u003e\n- Camp Mat (R-Value 4.2) — slightly warmer than Ether Light XR\n- Camp Plus Mat (R-Value 5.3) — warmer\n- Comfort Deluxe Mat (R-Value 7.7) — much warmer (full 4-season)\n\n\u003cstrong\u003eEther Light XR is positioned between:\u003c\/strong\u003e\n- Lightest pack\n- Warmest of the ultralight air Sprung Cell line\n- Sufficient for 3-season but not deep winter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAward-Worthy Air Pad System\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ether Light XR represents STS's updated premium ultralight air pad:\n\n\u003cstrong\u003eImprovements over prior Ether Light:\u003c\/strong\u003e\n- Lighter weight (per size)\n- Smaller packed size (per FAQ)\n- More insulation (R-Value 4.1)\n- ThermalCore tech (more efficient)\n- Pump sack integrated into stuff sack (no separate piece)\n- PillowLock patches for pillow\n- Increased weld strength\n\n\u003cstrong\u003eVersus older Ether Light:\u003c\/strong\u003e\n- Same basic shape\n- Same 10 cm thickness\n- Lower pack weight + lower volume\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eComparison: Tapered vs Rectangular\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eTwo shapes available — different priorities:\n\n\u003cstrong\u003eTapered (Small, Regular, Large):\u003c\/strong\u003e\n- Narrow at foot, wider at shoulders\n- Lighter weight (smaller air volume)\n- Packs smaller\n- Standard for ultralight backpacking\n\n\u003cstrong\u003eRectangular Wide (Regular Rectangular Wide, Large Rectangular):\u003c\/strong\u003e\n- Constant width end-to-end\n- Heavier (more air volume + fabric)\n- Packs slightly larger\n- More space for restless sleepers\n- Better for side sleepers (extra room for shoulders)\n\n\u003cstrong\u003eCompare to my Detour SI Mat builds:\u003c\/strong\u003e\n- Detour mats use \u003cstrong\u003efoam + air\u003c\/strong\u003e (self-inflating style)\n- Ether Light XR is \u003cstrong\u003eair-only\u003c\/strong\u003e (lighter)\n- Less comfort out of the box (foam has built-in comfort)\n- Better thermal\/weight ratio\n\n\u003cstrong\u003eChoose Ether Light XR Tapered for:\u003c\/strong\u003e\n- Solo ultralight backpacking\n- Thru-hiking (every gram counts)\n- Bikepacking\n- 3-season use\n\n\u003cstrong\u003eChoose Ether Light XR Rectangular Wide for:\u003c\/strong\u003e\n- Side sleepers\n- Restless sleepers\n- Comfort priority over weight\n- Couples use (more shoulder room)\n- Hunting (per STS marketing)\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\u003eUltralight Backpacking (PRIMARY):\u003c\/strong\u003e\n- Thru-hiking (AT, PCT, CDT)\n- Section hiking\n- Long-distance trekking\n- 3-season use\n- Weight priority\n\n\u003cstrong\u003eBikepacking:\u003c\/strong\u003e\n- Compresses to 9 × 5 × 5 in (fits in bags)\n- Lightweight for bike tour use\n- Quick inflate (3-4 breaths via pump)\n\n\u003cstrong\u003eBackcountry Winter (cautious):\u003c\/strong\u003e\n- R-Value 4.1 = \"down to conditions where a hard frost might occur\" (per STS FAQ)\n- Use R-5+ pad for true winter\n- Use below-freezing sleep systems\n\n\u003cstrong\u003eHunting:\u003c\/strong\u003e\n- Rectangular Wide option\n- Cold-weather capability\n- Plush 4 in \/ 10 cm (sleep on rocky ground)\n\n\u003cstrong\u003eFamily \/ Casual:\u003c\/strong\u003e\n- Comfortable padding for casual users\n- Larger sizes for bigger sleepers\n- Easy to inflate (no breath needed)\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 (any version): Pairs with \u003cstrong\u003ePillowLock\u003c\/strong\u003e patches on the mat. Premium, Ultralight, Down versions all work.\n\n\u003cstrong\u003eSTS Quilt \/ Sleeping Bag\u003c\/strong\u003e (Ember Down Quilt built earlier in this session): Above 4.1 R-Value mat for 3-season use.\n\n\u003cstrong\u003eDetour Kitchen Tool Kit's compact utensils\u003c\/strong\u003e (built earlier): Camp cooking kit fits inside the shelter.\n\n\u003cstrong\u003eAirstream Pump Sack:\u003c\/strong\u003e Comes integrated with the mat (no separate purchase needed).\n\n\u003cstrong\u003eTent \/ Tarp:\u003c\/strong\u003e Use under any STS shelter or other brand.\n\n\u003cstrong\u003eStuff Sack Repair Kit:\u003c\/strong\u003e Comes included with the mat.\n\n\u003cstrong\u003eSleeping Bag Liners:\u003c\/strong\u003e STS Reactor, Thermolite, Breeze — all work under the quilt\/bag.\n\n\u003cstrong\u003eSTS Self-Inflating Mat (Altus) as backup:\u003c\/strong\u003e For couples who share a tent — fewer leaks than 2 Ether Light mats in cold weather.\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\"\u003eUltralight backpacking · Thru-hiking · Bikepacking · Snow Sports · Hunting (Rectangular) · 3-season camping\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 (15.7-25.6 oz depending on size) · Ultra Compact (packs to 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\u003e4.1\u003c\/strong\u003e (ASTM F3340 — \"down to conditions where a hard frost might occur\")\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)\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\"\u003eExtended 3-season (spring\/fall\/mild winter) — NOT deep winter (use R-Value 5+)\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 in stuff sack (3-4 breaths to inflate)\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 (3-layer TRM — Thermal Reflective Membrane)\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 (STS-proprietary — 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\"\u003eIncreased vs prior 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\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 A3401 · 168 × 55 × 10 cm \/ 66 × 22 × 4 in · 445 g \/ 15.7 oz (500 g packed) · Packed 20.5 × 11 × 11 cm \/ 8 × 4 × 4 in · User up to 168 cm \/ 5'6\" · $189.00\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 A3402 · 183 × 55 × 10 cm \/ 72 × 22 × 4 in · 470 g \/ 16.6 oz (525 g packed) · Packed 20.5 × 11 × 11 cm \/ 8 × 4 × 4 in · User up to 183 cm \/ 6'0\" · $199.00\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 A3404 · 183 × 64 × 10 cm \/ 72 × 25 × 4 in · 605 g \/ 21.3 oz (665 g packed) · Packed 24 × 12 × 12 cm \/ 9 × 5 × 5 in · User up to 183 cm \/ 6'0\" · $239.00\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 A3403 · 198 × 64 × 10 cm \/ 78 × 25 × 4 in · 605 g \/ 21.3 oz (665 g packed) · Packed 24 × 11.5 × 11.5 cm \/ 9 × 5 × 5 in · User up to 198 cm \/ 6'6\" · $219.00\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 A3405 · 198 × 64 × 10 cm \/ 78 × 25 × 4 in · 665 g \/ 23.5 oz (725 g packed) · Packed 23.5 × 12 × 12 cm \/ 9 × 5 × 5 in · User up to 198 cm \/ 6'6\" · $259.00\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 \/ Ultralight Pads \/ 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\"\u003eUltralight premium air pad (vs Detour SI Mat family — foam+air)\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\"\u003eInflation \u0026amp; Deflation Best Practices\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\nPer STS FAQ: \"Inflating an Ether Light will take 20+ breaths (depending on lung capacity). Whereas using the integrated pumpsack reduces this to three or four breaths.\"\n\n\u003cstrong\u003eInflation tips:\u003c\/strong\u003e\n- Use the integrated pump sack (much faster than mouth)\n- Inflate to medium firmness first, then adjust\n- For 3-season use, slightly under-inflate (more comfortable, less sweating)\n- For 4-season\/winter use, fully inflate (more insulation = more air)\n- Add a few breaths after 30 min in the tent (foam creeps, may need top-up)\n\n\u003cstrong\u003eDeflation tips:\u003c\/strong\u003e\n- Open XPRESS valve fully (large open position)\n- Press air out from foot end toward valve\n- Roll tightly for packing\n- Some residual air leaves slowly (leave valve open during packing)\n- Don't force the valve (open gently, wait for air to leave)\n\n\u003cstrong\u003eCommon mistakes:\u003c\/strong\u003e\n- Closing valve too early (mat inflates more from body heat — can over-inflate)\n- Too much force on the valve (damages the seal)\n- Inflate in the rain (water inside the pump can get into the mat)\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 (no soap needed)\n- Don't use fabric softener (coats the grippy texture)\n- Don't scrub with abrasives (removes the grippy coating)\n\n\u003cstrong\u003eEffectiveness:\u003c\/strong\u003e\n- Pure silicone-based patches grip best when clean\n- After many trips, grip may reduce (oil buildup from body contact)\n- Hand-wash in mild soap, rinse well\n- Air dry fully before packing\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 (Includes Repair Kit)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\nSTS includes a \u003cstrong\u003erepair kit\u003c\/strong\u003e with every mat — be familiar with it before you need it:\n\n\u003cstrong\u003eCommon field damage:\u003c\/strong\u003e\n- Pinhole leaks (small)\n- Larger punctures (thorns, rocks)\n- Valve issues (slow leak)\n- Seam failures (rare with newer welds)\n\n\u003cstrong\u003eRepair process:\u003c\/strong\u003e\n1. Identify the leak (inflate + listen + soap test)\n2. Clean the area with alcohol wipe (included in kit)\n3. Apply patch (included in kit)\n4. Wait 24 hours for adhesive to cure\n5. Re-inflate\n\n\u003cstrong\u003eFor serious damage:\u003c\/strong\u003e\n- Patch in the field as best you can\n- Sleep on it (foam creeps help with support)\n- Send for warranty repair after the trip\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eThermalCore Insulation Care\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\nThe \u003cstrong\u003eThermalCore \/ TRM (Thermal Reflective Membrane)\u003c\/strong\u003e is delicate:\n\n\u003cstrong\u003eAvoid:\u003c\/strong\u003e\n- Folding the mat (compresses the TRM layers over time)\n- High heat (melts the TRM layers)\n- Direct sunlight for long periods (UV degrades TRM)\n- Sharp folding (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\u003eInflation cycle benefit:\u003c\/strong\u003e\n- Repeated inflation creates a slight air gap\n- Helps the TRM layers not stick together\n- Use the mat regularly to maintain loft\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eStorage (NEW SECTION)\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- Avoid moisture (mildew risk on nylon)\n\n\u003cstrong\u003eLong-term storage (months):\u003c\/strong\u003e\n- Don't store compressed tightly in the stuff sack\n- The compression damages air cell structure + insulation\n- Spread out flat in a closet if possible\n- Or loosely fold in a large container\n\n\u003cstrong\u003eInflated storage (alternative):\u003c\/strong\u003e\n- Leave inflated for long-term\n- Like a permanent spare bed (for guests, etc.)\n- Saves compression cycles\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 (lots of moisture + slow)\n- Over-inflate (strains welds)\n- Use as a flotation device (not designed for that)\n- Leave in direct sunlight for hours (UV damages TRM)\n- Store compressed for months\n- Sleep on sharp objects (rocks, sticks, pine cones)\n- Use harsh chemicals on the face fabric\n- Wash in a top-loader (agitator damages welds)\n\n\u003cstrong\u003eIf damaged in field:\u003c\/strong\u003e\n- Small hole: patch from repair kit\n- Larger hole: emergency patch with Tenacious Tape\n- Major damage: field repair + warranty after\n\n\u003cstrong\u003eIf the mat won't stay inflated:\u003c\/strong\u003e\n- Check the valve (often the culprit)\n- Then check for leaks (soapy water test)\n- Then apply patch\n- Then contact STS warranty\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\u003eNon-PFAS + flame-retardant free:\u003c\/strong\u003e\n- Per FAQ: \"All Sea to Summit sleep products (pads, sleeping bags, liners and pillows) are non-PFAS and flame-retardant free\"\n- No forever-chemical concerns\n\n\u003cstrong\u003eLongevity:\u003c\/strong\u003e\n- 5-10 years with proper care\n- Welds are the most likely wear point\n- TRM layers last the life of the pad if not damaged\n\n\u003cstrong\u003eAt end-of-life:\u003c\/strong\u003e\n- TPU\/nylon can be specialty-recycled\n- Don't landfill (long decomposition)\n- Some textile recyclers accept inflatable mats\n\n\u003cstrong\u003eRepair culture:\u003c\/strong\u003e\n- Patches extend life by years\n- Replaceable welds for major damage\n- STS supports warranty repairs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eActivity-Specific Tips\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\n- \u003cstrong\u003eUltralight backpacking:\u003c\/strong\u003e Perfect — pack to 9 × 5 × 5 in, 16-25 oz, 3-4 breath inflation.\n- \u003cstrong\u003eThru-hiking:\u003c\/strong\u003e Ideal. Many thru-hikers swear by Ether Light XR.\n- \u003cstrong\u003eBikepacking:\u003c\/strong\u003e Compresses small enough for frame bags.\n- \u003cstrong\u003eSnow sports \/ shoulder season:\u003c\/strong\u003e R-Value 4.1 works to \"hard frost\" conditions.\n- \u003cstrong\u003eSpring\/summer\/fall camping:\u003c\/strong\u003e Ideal conditions for this mat.\n- \u003cstrong\u003eFamily camping:\u003c\/strong\u003e Larger sizes work for couples \/ groups.\n- \u003cstrong\u003eFrontcountry camping:\u003c\/strong\u003e Same use as backcountry.\n- \u003cstrong\u003eNOT for:\u003c\/strong\u003e Hard winter (use R-Value 5+). Hammocks (need under-quilt). Permanent installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv id=\"torrent-scanner-popup\" style=\"display: none;\"\u003e\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"One Color \/ Small","offer_id":52743305888064,"sku":"A3401","price":189.0,"currency_code":"USD","in_stock":false},{"title":"One Color \/ Regular","offer_id":52743305920832,"sku":"A3402","price":199.0,"currency_code":"USD","in_stock":true},{"title":"One Color \/ Regular L","offer_id":52743305953600,"sku":"A3405","price":259.0,"currency_code":"USD","in_stock":true},{"title":"One Color \/ Regular Rectangular Wide","offer_id":52743305986368,"sku":"A3404","price":239.0,"currency_code":"USD","in_stock":true},{"title":"One Color \/ Large","offer_id":52743306019136,"sku":"A3403","price":219.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7487\/5549\/files\/A3401_1b271113-8838-4572-9f70-09de8c6dd405.jpg?v=1783364295","url":"https:\/\/spokex.com\/products\/sea-to-summit-ether-light-xr-insulated-air-mat","provider":"SX Collective","version":"1.0","type":"link"}