{"product_id":"sea-to-summit-comfort-blend-sleeping-bag-liner","title":"Sea to Summit Comfort Blend Sleeping Bag Liner","description":"\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003ctitle\u003eComfort Blend Sleeping Bag Liner\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.variant-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 8px; }\n.variant-card { border: 1px solid var(--border); border-radius: 4px; padding: 14px 12px; background: var(--mid); }\n.variant-name { font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }\n.variant-stat { font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 2px; }\n.variant-val { font-size: 13px; font-weight: 500; color: var(--body); margin-bottom: 8px; line-height: 1.4; }\n.variant-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; } .variant-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\"\u003eComfort Blend Sleeping Bag Liner\u003c\/div\u003e\n\u003cdiv class=\"spur-meta\"\u003eSleeping Bag Liner · TENCEL Lyocell + Polyester · Stretch-Knit · HeiQ Fresh\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\"\u003eA liner is the core of a sleep system, keeping your sleeping bag clean and improving your sleep climate. The Comfort Blend liner uses a stretch-knit fabric made of polyester and TENCEL Lyocell fibres to create a soft, comfortable, moisture-wicking layer around you.\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\"\u003eSoft \u0026amp; Comfortable\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eStretch-knit blend of TENCEL Lyocell + Polyester feels soft against skin — no clammy synthetics.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eMoisture-Wicking\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eTENCEL fibers absorb moisture and release it, keeping you dry through warm nights.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eStays Fresh\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eHeiQ Fresh bio-based odour control neutralises smells — extends time between washes.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAdds Warmth\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eAny extra layer traps insulating air. Adds a few degrees of warmth to any bag or quilt.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eTravel Hygiene\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eSleep sheet wherever you travel — hostels, hotels, AirBnBs, guest beds.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eFreedom of Movement\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eStretch-knit + rectangular cut = moves with you during sleep, no binding.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eTwo Sizes \/ Variants\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\"\u003eTENCEL Lyocell — The Soft Fibre (NEW — MATERIAL)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eTENCEL Lyocell is a \u003cstrong\u003eregenerated cellulose fiber\u003c\/strong\u003e made from sustainably-sourced wood pulp (typically eucalyptus). It's been embraced by outdoor and bedding brands for its unique properties:\n\n\u003cstrong\u003eWhy TENCEL is special:\u003c\/strong\u003e\n- \u003cstrong\u003eMoisture management\u003c\/strong\u003e — absorbs 50% more moisture than cotton, releases it quickly. Keeps skin dry during warm nights or sweaty sleepers.\n- \u003cstrong\u003eSoft hand-feel\u003c\/strong\u003e — often described as softer than cotton or silk. Excellent next-to-skin.\n- \u003cstrong\u003eThermoregulating\u003c\/strong\u003e — feels cool in warm weather, warm in cool weather (like cotton).\n- \u003cstrong\u003eNaturally antibacterial\u003c\/strong\u003e — resists odor better than synthetics alone.\n- \u003cstrong\u003eSustainable\u003c\/strong\u003e — closed-loop manufacturing process recycles 99% of the solvents used.\n\n\u003cstrong\u003eIn the Comfort Blend liner:\u003c\/strong\u003e\n- 30% TENCEL Lyocell + 70% Polyester = softness + durability\n- TENCEL gives the moisture-wicking and feel\n- Polyester gives structure, quick-dry, and shape retention\n- Stretch-knit construction lets the fabric move with body\n\n\u003cstrong\u003eVs pure cotton liners:\u003c\/strong\u003e TENCEL absorbs more moisture, dries faster, and resists bacteria. Vs polyester alone: TENCEL is softer and less clammy.\n\n\u003cstrong\u003eVs merino wool:\u003c\/strong\u003e TENCEL is cooler (better for warm climates), easier to wash, lower-maintenance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eHeiQ Fresh — Odour Control Technology (NEW)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eHeiQ Fresh is a \u003cstrong\u003ebio-based odour control technology\u003c\/strong\u003e used on premium performance fabrics:\n\n\u003cstrong\u003eHow it works:\u003c\/strong\u003e\n- The liner is impregnated with \u003cstrong\u003ebio-based amino sugar polymers\u003c\/strong\u003e\n- These polymers \u003cstrong\u003eabsorb and neutralize odor molecules\u003c\/strong\u003e (body oils, sweat, etc.)\n- When you wash the liner, the trapped odor compounds are released down the drain\n- Polymer is ready for the next use — indefinitely (it's not consumed)\n\n\u003cstrong\u003eWhy this matters for a liner:\u003c\/strong\u003e\n- A liner is worn next to skin for many consecutive nights (travel, hostels, trekking)\n- Standard synthetics smell after 2-3 wears\n- HeiQ-treated fabrics stay fresh through multi-week trips\n- Reduces washing frequency = water savings (important for long-distance travel)\n\n\u003cstrong\u003eRenewability:\u003c\/strong\u003e\n- Each wash refreshes the polymer\n- Eventually (after many washes) the effect diminishes\n- STS doesn't specify the cycle life, but typically 50+ washes\n\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e HeiQ is bonded to fibers during finishing — won't wash off in normal washing.\n\n\u003cstrong\u003eComparison:\u003c\/strong\u003e similar to Polygiene (used in some wool\/synthetic blends) or FreshPlus — all \"trap odor until washed\" technology.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eStretch-Knit Construction\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Comfort Blend fabric is a \u003cstrong\u003eknit\u003c\/strong\u003e (vs woven), with mechanical stretch built in:\n\n\u003cstrong\u003eWhy knit (vs woven):\u003c\/strong\u003e\n- Knits have loops that stretch and recover naturally\n- More comfortable against skin (follows body contours)\n- Better moisture transfer (capillary action in knit structure)\n- Less prone to \"stiff\" feel than woven alternatives\n\n\u003cstrong\u003eStretch benefits:\u003c\/strong\u003e\n- Moves with you during sleep (no pulling\/tugging)\n- Accommodates tossing\/turning\n- Doesn't bind at knees\/hips\n- More comfortable in any sleeping position\n\n\u003cstrong\u003eCare:\u003c\/strong\u003e the stretch allows recovery from bunching — if it twists in the night, shake it out and it self-corrects.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eRectangular Cut \u0026amp; Two Variants\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Comfort Blend comes in \u003cstrong\u003etwo formats\u003c\/strong\u003e:\n\n\u003cstrong\u003eRectangular (185 × 80 cm):\u003c\/strong\u003e\n- Standard liner length — fits most adults to ~185 cm \/ 6'1\"\n- Sits inside mummy or rectangular sleeping bags\n- Ideal for typical backpacking\/travel sleep systems\n\n\u003cstrong\u003eRectangular with Pillow Sleeve (225 × 80 cm):\u003c\/strong\u003e\n- Adds 40 cm \/ 16 in at the head for the pillow sleeve\n- Standard pillow fits into the sleeve — stays in place all night\n- Better for restless sleepers (pillow doesn't migrate)\n- Longer length works with quilts and blankets\n\n\u003cstrong\u003eRectangular shape (vs mummy-shaped liners):\u003c\/strong\u003e\n- More freedom of movement\n- Better for restless sleepers\n- Adds slightly more weight (extra fabric)\n- Easier to use as a stand-alone sleep sheet (hostels, travel)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eClimate Range — Warm \/ Cold \/ Extreme Cold (Why?)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Comfort Blend is rated for \u003cstrong\u003eall climates\u003c\/strong\u003e (Warm \/ Cold \/ Extreme Cold) — but with caveats:\n\n\u003cstrong\u003eWarm climates:\u003c\/strong\u003e\n- Ideal. TENCEL wicks moisture, dries fast.\n- Acts as a sleep sheet when no bag is needed\n- Keeps you covered and protected (hostels, dorms)\n\n\u003cstrong\u003eCold climates:\u003c\/strong\u003e\n- Adds ~3-5°F of warmth (any layer traps air)\n- Use inside a sleeping bag for thermal boost\n- Or use alone with blankets\/quilt at lower elevations\n\n\u003cstrong\u003eExtreme cold:\u003c\/strong\u003e\n- Limited warming effect (3-5°F maximum)\n- For serious cold, pair with \u003cstrong\u003eReactor\u003c\/strong\u003e or \u003cstrong\u003eThermolite\u003c\/strong\u003e liner for max thermal boost\n- Or use as a hygiene layer inside a winter bag\n\n\u003cstrong\u003eWhy this matters:\u003c\/strong\u003e a liner extends the usable range of your sleeping bag. A 40°F bag with a Comfort Blend liner becomes effective to 35-37°F. Doubles as a summer sleep sheet.\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\u003eTravel (primary use):\u003c\/strong\u003e\n- Hostels, hotels, AirBnBs, guesthouses — the Comfort Blend with Pillow Sleeve is a hygienic sleep sheet\n- Reduces questionable bedding exposure\n- Light enough for long-term luggage\n\n\u003cstrong\u003eCamping:\u003c\/strong\u003e\n- Keeps sleeping bag clean (inside liner)\n- Adds warmth in shoulder seasons\n- Doubles as a sleep sheet in warm weather (no bag needed)\n\n\u003cstrong\u003eHygiene:\u003c\/strong\u003e\n- Especially useful for shared\/cabin sleeping\n- Allergy-sensitive sleepers (creates a barrier between you and the bag)\n- Long-term host travellers\n\n\u003cstrong\u003eBackcountry:\u003c\/strong\u003e\n- NOT recommended for serious backpacking (Breeze or Reactor is lighter)\n- Suitable for car camping, basecamp, light backcountry\n\n\u003cstrong\u003eNot backpacking-friendly:\u003c\/strong\u003e STS FAQ confirms \"Probably not... heavier and bulkier than most backpackers would want — a Breeze or Reactor would be better choices.\"\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eComparison: Comfort Blend vs Breeze Liner (STS Lineup)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Comfort Blend sits between the ultralight Breeze and the warmth-focused Reactor:\n\n| Aspect | Comfort Blend | Breeze |\n|---|---|---|\n| Material | 70% Polyester + 30% TENCEL | COOLMAX EcoMade + TENCEL (different blend) |\n| Weight (Rectangular) | 290 g \/ 10.2 oz | ~140 g (ultralight) |\n| Feel | Softer (TENCEL-dominant blend) | Cooler (COOLMAX focus) |\n| Best Use | Travel, camping, daily use | Hot-weather, ultralight backpacking |\n| Climate | Warm \/ Cold \/ Extreme Cold | Warm primarily |\n| Stretch | Stretch-knit | Less stretch |\n| Odour Control | HeiQ Fresh | Yes (similar treatment) |\n\n\u003cstrong\u003eChoose Comfort Blend for:\u003c\/strong\u003e travel, daily use, softness, broader climate range. Heavier but more comfortable and versatile.\n\n\u003cstrong\u003eChoose Breeze for:\u003c\/strong\u003e ultralight backpacking, hot-weather trekking, weight savings. Less soft, less versatile.\n\nBoth use TENCEL + synthetic blends for moisture management.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eComparison: Comfort Blend vs Reactor \/ Thermolite (WARMER STS Options)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eOther STS liners focus on thermal boost:\n\n\u003cstrong\u003eReactor (STS054101 etc.):\u003c\/strong\u003e\n- Adds \u003cstrong\u003e8-15°F\u003c\/strong\u003e of warmth (vs ~3-5°F for Comfort Blend)\n- Hollow-core fiber construction\n- Heavier (450-650 g) — bad for weight-conscious backpackers\n- Best for: cold-weather camping where every degree matters\n\n\u003cstrong\u003eThermolite (STS054201 etc.):\u003c\/strong\u003e\n- Adds \u003cstrong\u003e5-10°F\u003c\/strong\u003e of warmth\n- Mid-weight\n- Best for: shoulder-season backpacking needing thermal boost\n\n\u003cstrong\u003eComfort Blend:\u003c\/strong\u003e\n- Adds \u003cstrong\u003e3-5°F\u003c\/strong\u003e of warmth\n- Lighter than Reactor but warmer than Breeze\n- Best for: travel-focused use where softness and hygiene matter more than thermal boost\n\n\u003cstrong\u003eAll STS liners span the same temperature range (per STS docs)\u003c\/strong\u003e — it's the warming effect that varies:\n\n| Liner | Adds Warmth | Best Use |\n|---|---|---|\n| Breeze | ~2-3°F | Hot climates, ultralight |\n| Comfort Blend | ~3-5°F | Travel, daily use |\n| Thermolite | ~5-10°F | Cool-weather backpacking |\n| Reactor | ~8-15°F | Cold-weather camping |\n\nSource: STS product line documentation. Exact numbers vary by bag + sleep system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eCompatible Sleeping Bags \u0026amp; Quilts\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe rectangular shape works with:\n- \u003cstrong\u003eRectangular sleeping bags\u003c\/strong\u003e — primary fit\n- \u003cstrong\u003eQuilts\u003c\/strong\u003e — works as inside layer\n- \u003cstrong\u003eMummy bags\u003c\/strong\u003e — fits inside, slight width excess (doesn't bind)\n- \u003cstrong\u003eBlankets\u003c\/strong\u003e — acts as bottom sheet\n\n\u003cstrong\u003eNot compatible with:\u003c\/strong\u003e\n- Hooded sleeping bags (Comfort Blend doesn't have hood)\n- Sleeping bags narrower than 80 cm (width matches)\n\n\u003cstrong\u003ePairing tips:\u003c\/strong\u003e\n- Use inside a bag for thermal boost\n- Use alone in warm weather as a sleep sheet\n- Pair with a pillow for travel — fills the gap between luggage pillows and home comfort\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\u003eAeros Pillows (STS000430 \/ STS045306):\u003c\/strong\u003e Premium pillows that pair with all STS liners. Use inside the pillow sleeve for complete sleep setup.\n\n\u003cstrong\u003eEther Light XT Pillow (STS...):\u003c\/strong\u003e Similar premium pillow options.\n\n\u003cstrong\u003eFoil \/ inflatable mat:\u003c\/strong\u003e pair liner with any STS sleeping mat for complete sleep system.\n\n\u003cstrong\u003eSTS Stuff Sacks:\u003c\/strong\u003e The Comfort Blend's packed size (7 × 3 × 5 in) fits all STS dry sacks. For travel, consider the Lightweight Dry Sack (3L) to keep the liner separate in luggage.\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\"\u003eConstruction\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eMaterial\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e70% Polyester + 30% TENCEL Lyocell (stretch-knit)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eFabric Type\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eStretch-knit (mechanical stretch from knit construction)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eCut\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eRectangular — fits rectangular sleeping bags, quilts, mummy bags, blankets\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eWidth\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e80 cm \/ 31 in (consistent across variants)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003ePillow Sleeve\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eStandard pillow size (Rectangular with Pillow Sleeve variant only)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSide Zipper\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eNo (for packability; use top-entry)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eTechnology\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eTENCEL Lyocell\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eRegenerated cellulose fiber — moisture-wicking, soft, thermoregulating, sustainable\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eHeiQ Fresh\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eBio-based amino sugar polymer odour control — absorbs\/neutralises smells, refreshed by washing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eStretch-Knit\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eMechanical stretch from knit construction — moves with body, recovers shape\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eVariants \u0026amp; Sizing\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eRectangular\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e185 × 80 cm \/ 73 × 31 in · Weight 290 g \/ 10.2 oz · Packed 15 × 7.5 × 12 cm \/ 6 × 3 × 5 in · User height up to 185 cm \/ 6'1\" · $44.95\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eRectangular with Pillow Sleeve\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e225 × 80 cm \/ 89 × 31 in · Weight 350 g \/ 12.3 oz · Packed 18 × 8 × 13 cm \/ 7 × 3 × 5 in · User height up to 185 cm \/ 6'1\" · $54.95\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003ePerformance \u0026amp; Use\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eClimate Range\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWarm \/ Cold \/ Extreme Cold (any climate; adds 3-5°F warmth)\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\"\u003eMidweight \/ Midsize (not for serious backpacking)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eBest Use\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eTravel, hostels\/hotels\/camping, sleep hygiene, camping thermal boost, light backcountry\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eRecommended Bag Types\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eRectangular sleeping bags (primary), quilts, mummy bags (fits inside), blankets\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 Bag Liners \/ Travel Sleep Sheets \/ Sleep Hygiene\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLineup Position\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eMid-tier liner — above Breeze (ultralight), below Reactor (thermal)\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\"\u003eMAY_25 (May 2025) — current model\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSustainability\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eTENCEL Lyocell from sustainably-sourced wood pulp with closed-loop manufacturing; bio-based HeiQ Fresh; long-wearing construction\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\"\u003eWashing \u0026amp; HeiQ Fresh Care (NEW)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eHeiQ Fresh is recharged by washing\u003c\/strong\u003e — the polymers release trapped odor compounds when washed:\n\n\u003cstrong\u003eStandard wash:\u003c\/strong\u003e\n- Machine wash \u003cstrong\u003ecold or warm\u003c\/strong\u003e (30-40°C \/ 86-104°F)\n- \u003cstrong\u003eMild detergent only\u003c\/strong\u003e — avoid fabric softeners (they coat fibers and reduce moisture-wicking)\n- Normal wash cycle is fine\n- Don't overload the machine (stretch-knit can snag on zippers etc.)\n\n\u003cstrong\u003eWhat to avoid:\u003c\/strong\u003e\n- \u003cstrong\u003eBleach\u003c\/strong\u003e — damages TENCEL + polyester fibers and destroys HeiQ treatment\n- \u003cstrong\u003eFabric softener\u003c\/strong\u003e — coats fibers, reduces wicking and HeiQ effectiveness\n- \u003cstrong\u003eHot water\u003c\/strong\u003e (above 40°C \/ 104°F) — degrades HeiQ polymer over time\n\n\u003cstrong\u003eRefresh between washes:\u003c\/strong\u003e\n- Air out after use (TENCEL is naturally antibacterial)\n- If not washing, hang to air overnight\n- The HeiQ polymer continues to work through multiple wears\n\n\u003cstrong\u003eDrying:\u003c\/strong\u003e\n- \u003cstrong\u003eAir dry flat or hang\u003c\/strong\u003e — best for longevity\n- Tumble dry \u003cstrong\u003elow\u003c\/strong\u003e if needed — heat can reduce HeiQ effectiveness over many cycles\n- Don't wring (stretch-knit can deform)\n- Don't bleach or iron\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eStretch-Knit Fabric Care\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eShape retention:\u003c\/strong\u003e\n- Stretch-knit recovers its shape naturally\n- Fold or roll loosely for storage — no need for careful folding\n- Don't stuff tightly (causes compression wrinkles that may become permanent)\n\n\u003cstrong\u003eSnag prevention:\u003c\/strong\u003e\n- Wash inside a mesh laundry bag (snag protection)\n- Close zippers\/velcro on other items in the load\n- Avoid washing with items that have hooks (bras, certain bags)\n\n\u003cstrong\u003ePilling:\u003c\/strong\u003e\n- TENCEL\/polyester blends can pill over time (small fiber balls on surface)\n- A fabric shaver removes pills; pill-resistant finishes help but degrade\n- Pill-resistant on Comfort Blend not specifically advertised, so expect some pilling after extended use\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 \/ travel:\u003c\/strong\u003e\n- Fold or roll loosely into the included stuff sack\n- The packed size (6-7 × 3 × 5 in) fits any pack, luggage, or drawer\n- Store dry — moisture + dark storage = mildew risk\n\n\u003cstrong\u003eLong-term storage:\u003c\/strong\u003e\n- Clean and dry before storing\n- Store in breathable storage (avoid plastic bags for long periods)\n- Cool, dry place out of direct sunlight\n- UV degrades TENCEL and polyester over years\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eTravel Use Tips\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eHygiene layer for hostels:\u003c\/strong\u003e\n- Pull liner out, slip inside sleeping bag provided\n- Pillow slides into pillow sleeve\n- Sheet creates a barrier between you and questionable bedding\n- Sleep with peace of mind\n\n\u003cstrong\u003eAirBnB \/ guest bed:\u003c\/strong\u003e\n- Use for hygiene-sensitive stays\n- Especially useful for allergies (dust mites, etc.)\n- Pillow sleeve keeps your pillow distinct from theirs\n\n\u003cstrong\u003eAir travel luggage:\u003c\/strong\u003e\n- Pack in the included stuff sack\n- 290-350 g is light enough for carry-on\n- Adds ~6-7 in × 3 × 5 in to your luggage footprint\n\n\u003cstrong\u003eHotels (luxury):\u003c\/strong\u003e\n- Optional, but some travellers prefer their own fabric\n- Especially useful in hot climates (linen-quality TENCEL blend)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eRepairs\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eSmall tears:\u003c\/strong\u003e\n- Hand-stitch with polyester thread (matching colour)\n- Stretch-knit can be tricky; use a needle and patient stitching\n- Iron-on fabric patches can work on the inside surface\n\n\u003cstrong\u003ePilling:\u003c\/strong\u003e\n- Fabric shaver removes surface pills\n- Extend life of the liner by years\n- Heavy pilling is normal on knit fabrics after many uses\n\n\u003cstrong\u003eStains:\u003c\/strong\u003e\n- Pre-treat stains before washing\n- Most stains lift with normal washing\n- Stubborn stains (oils, makeup): mild detergent + cold water + soak\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- Wash with fabric softener (reduces wicking + HeiQ)\n- Use bleach (damages fibers and HeiQ treatment)\n- Hot-iron (heat damages TENCEL\/polyester)\n- Tumble dry hot (degrades HeiQ polymer, can cause shrinkage)\n- Wring aggressively (deforms stretch-knit)\n- Store wet (mildew)\n- Expose to direct sunlight for months (UV degradation)\n\n\u003cstrong\u003eSnags:\u003c\/strong\u003e\n- Wash with zippers closed on other items\n- Avoid washing with hooked items (bras with hooks, gear with velcro)\n- Repair snags early before they grow into tears\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\u003eTENCEL Lyocell\u003c\/strong\u003e is one of the most sustainable fibres:\n- Made from FSC-certified wood pulp (typically eucalyptus)\n- Closed-loop manufacturing recycles 99% of solvents\n- Biodegradable (when not blended with synthetics)\n\n\u003cstrong\u003ePolyester\u003c\/strong\u003e component:\n- Recycled-friendly at end-of life (some textile recyclers accept polyester)\n- Not biodegradable but durable for years\n- HeiQ Fresh extends use-life (less washing = less resource use)\n\n\u003cstrong\u003eAt end-of-life:\u003c\/strong\u003e\n- Compost the TENCEL portion if separated (otherwise landfill)\n- Some specialty textile recyclers accept poly-blends\n- Liner is otherwise durable for many years of use\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\u003eHostel travel (Eurail\/SE Asia\/Latin America):\u003c\/strong\u003e Use the Comfort Blend as a sleep sheet under questionable bedding. The HeiQ Fresh keeps it fresh through weeks of travel. Add the pillow sleeve variant for complete setup.\n- \u003cstrong\u003eHotel \/ AirBnB stays:\u003c\/strong\u003e Use for hygiene-sensitive travellers, allergies, or hot-weather hotels where the provided bedding feels clammy.\n- \u003cstrong\u003eFamily camping:\u003c\/strong\u003e Inside sleeping bags to keep them clean from kid grime. Doubles as a sleep sheet in summer.\n- \u003cstrong\u003eLight backcountry:\u003c\/strong\u003e Possible but not ideal — too bulky\/heavy for serious backpacking. Use Breeze instead.\n- \u003cstrong\u003eCold-weather camping:\u003c\/strong\u003e Use Comfort Blend inside sleeping bag for slight thermal boost (~3-5°F). For more warmth, upgrade to Thermolite or Reactor.\n- \u003cstrong\u003eTravel sleep hygiene:\u003c\/strong\u003e The killer use case. Take it on every trip where you don't control the bedding.\n- \u003cstrong\u003eQuilts:\u003c\/strong\u003e Works perfectly as an inside layer for backcountry quilt sleepers. Adds warmth and keeps quilt clean.\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":"Aqua Sea \/ Rectangular","offer_id":52743300645184,"sku":"A3231","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Aqua Sea \/ Rectangular w\/ Pillow Sleeve","offer_id":52743300677952,"sku":"A3232","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7487\/5549\/files\/A3231_7e7f0267-f875-45d9-abdd-d956693b85f8.jpg?v=1783364249","url":"https:\/\/spokex.com\/products\/sea-to-summit-comfort-blend-sleeping-bag-liner","provider":"SX Collective","version":"1.0","type":"link"}