{"product_id":"sea-to-summit-ascent-womens-down-sleeping-bag","title":"Sea to Summit Ascent Women's Down Sleeping Bag","description":"\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003ctitle\u003eAscent Women's Down Sleeping Bag\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; gap: 12px; }\n.spur-title { font-family: 'Barlow Condensed', sans-serif; font-size: clamp(28px, 5vw, 48px); font-weight: 800; letter-spacing: -0.02em; line-height: 1; text-transform: uppercase; }\n.spur-meta { font-size: 12px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }\n.tab-radio { display: none; }\n.tab-nav { display: flex; gap: 4px; margin-bottom: 32px; flex-wrap: wrap; }\n.tab-nav label { font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 10px 24px; background: var(--mid); color: var(--muted); border: 1px solid var(--border); cursor: pointer; transition: all 0.15s; border-radius: 2px; display: inline-block; user-select: none; }\n.tab-nav label:hover { color: var(--black); border-color: #aaa; }\n.spur-panels .tab-panel { display: none; }\n#tab-desc:checked ~ .tab-nav label[for=\"tab-desc\"],\n#tab-key:checked ~ .tab-nav label[for=\"tab-key\"],\n#tab-specs:checked ~ .tab-nav label[for=\"tab-specs\"],\n#tab-care:checked ~ .tab-nav label[for=\"tab-care\"] { background: var(--black); 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grid-template-columns: 200px 1fr; border-bottom: 1px solid var(--border); }\n.spec-key { font-size: 12px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); padding: 12px 16px 12px 0; }\n.spec-val { font-size: 14px; font-weight: 300; color: var(--body); padding: 12px 0; line-height: 1.5; }\n.spec-category { font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin: 24px 0 8px 0; color: var(--muted); }\n.spec-category:first-child { margin-top: 0; }\n.spec-table { width: 100%; border-collapse: collapse; margin: 12px 0; }\n.spec-table th, .spec-table td { padding: 10px 14px; text-align: left; border: 1px solid var(--border); font-size: 13px; font-weight: 300; }\n.spec-table th { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; background: var(--mid); font-size: 12px; color: var(--muted); }\n.benefits-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-top: 8px; }\n.benefit-card { border: 1px solid var(--border); border-radius: 4px; padding: 16px 14px; text-align: center; }\n.benefit-name { font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; }\n.benefit-desc { font-size: 12px; font-weight: 300; color: #555; line-height: 1.45; }\n.tech-badges { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0 24px 0; }\n.tech-badge { border: 1px solid var(--border); border-radius: 20px; padding: 8px 16px; font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--black); background: var(--mid); }\n@media (max-width: 600px) { .spec-row { grid-template-columns: 1fr; } .spec-key { padding-bottom: 2px; } .spec-val { padding-top: 0; padding-bottom: 12px; } .spec-table { font-size: 11px; } .spec-table th, .spec-table td { padding: 8px 10px; } }\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\"\u003eAscent Women's Down Sleeping Bag\u003c\/div\u003e\n\u003cdiv class=\"spur-meta\"\u003eSleep System · Three-Season Backpacking · Women's Specific\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\u003cdiv class=\"spur-panels\"\u003e\n\u003c!-- DESCRIPTION PANEL --\u003e\u003cdiv class=\"tab-panel desc-panel\"\u003e\u003cp class=\"desc-intro\"\u003eIn colder temperatures, cinch down the technical hood, zip up the draft-tube protected zippers and allow the 750+ Ultra-Dry Goose Down to keep you warm. As temperatures rise, unzip the Free-Flow Zip system for additional ventilation or completely unzip to be a quilt for use during extra warm nights. The Ascent is one of very few true three-season backcountry bags available. You can even close the snaps at the shoulders, open the footbox zipper and wear the Ascent at camp — giving you real freedom on your backpacking adventures.\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\"\u003eThree-Season\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eOne of very few true three-season backcountry bags — usable spring, summer, and fall. Two temp ratings (30°F and 15°F) for different climates.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eWomen's Specific Fit\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eNarrower shoulders, widest point at hips — allows natural side-sleeping position. Insulation deployed where women need most warmth.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e750+ Ultra-Dry Down\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePremium 750+ fillpower goose down with non-PFAS Ultra-Dry Down treatment — maintains loft in damp conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eFree-Flow Zip System\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eFull-length + half-length zipper on opposite side for excellent temperature regulation and multiple sleeping bag configurations.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eQuilt Mode\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eFully unzipped, the Ascent functions as a quilt — versatile for warm nights. Snaps at shoulders hold the bag in place.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eBox Baffle Construction\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eBox baffles throughout with vertical baffles in torso — minimises down shift, maximises warmth retention.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eWomen's Specific Fit (NEW — KEY FEATURE)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ascent Women's uses a \u003cstrong\u003ewomen's-specific fit\u003c\/strong\u003e — engineered for women's body geometry rather than a unisex cut shrunk down. Three key differences:\n- \u003cstrong\u003eNarrower shoulders\u003c\/strong\u003e — reduces internal dead air space (less air to heat)\n- \u003cstrong\u003eWidest point at the hips\u003c\/strong\u003e — accommodates natural side-sleeping position without compressing the down at the hips\n- \u003cstrong\u003eInsulation deployed where women need most warmth\u003c\/strong\u003e — typically more insulation at the chest\/footbox and less in the torso vs unisex cuts\n\nPer STS FAQ: \"Narrower shoulders, the widest point at the hips to allow a woman to assume a natural, side-sleeping position, and insulation deployed where women need most warmth.\"\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e750+ Fillpower RDS Goose Down\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePremium \u003cstrong\u003e750+ fillpower goose down\u003c\/strong\u003e — RDS-certified, treated with non-PFAS Ultra-Dry Down. 750+ fillpower is mid-to-high tier (vs Alpine Down's 850+). Combined with RDS certification for ethical sourcing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eFree-Flow Zip System (Same as Alpine Down)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eFull-length YKK #5 side zip with two sliders + 1\/2 length YKK #5 Free-Flow zip. Multiple ventilation modes — full open (blanket), both open (flat quilt), top only (mummy), half-side (foot ventilation). All YKK zippers (industry-leading brand).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eFootbox Opening Zip (NEW — UNIQUE FEATURE)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ascent has a \u003cstrong\u003efootbox zipper\u003c\/strong\u003e (separate from the main zip) — opens the footbox for ventilation OR lets you \u003cstrong\u003ewear the bag at camp\u003c\/strong\u003e. Per STS description: \"You can even close the snaps at the shoulders, open the footbox zipper and wear the Ascent at camp giving you real freedom on your backpacking adventures.\" A unique feature not found on most sleeping bags — great for camp lounging in cold weather.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eLightweight 20D Recycled Nylon Shell\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe shell is \u003cstrong\u003elightweight 20D recycled nylon\u003c\/strong\u003e with a non-PFAS DWR finish — same fabric family as the Alpine Down but tuned for lighter weight (the Ascent is a 3-season bag, not extreme winter). 20D balances weight and durability.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eBox Baffle Construction (NEW — TECHNICAL DETAIL)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ascent uses \u003cstrong\u003ebox baffle construction throughout\u003c\/strong\u003e with \u003cstrong\u003evertical baffles in the torso\u003c\/strong\u003e. Box baffles are 3D fabric walls that create individual chambers for the down — prevents down from shifting side-to-side (a problem with simpler sewn-through baffles). Vertical baffles in the torso specifically minimise vertical down shift (where body weight compresses down out of the chest area).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAnatomical Footbox\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe footbox is anatomically shaped — wider at the toes for natural foot positioning, narrower at the heel. Improves warmth retention by minimizing dead air space.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eVersatility Modes (NEW — PDP SELLING POINT)\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\"\u003eMultiple Sleeping Bag Configurations\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePer STS description: the Ascent can function as:\n- \u003cstrong\u003eStandard mummy bag\u003c\/strong\u003e (all zippers closed, hood cinched) — cold nights\n- \u003cstrong\u003eVentilated mummy\u003c\/strong\u003e (footbox zip open, body zip partially open) — moderate nights\n- \u003cstrong\u003eQuilt mode\u003c\/strong\u003e (fully unzipped, snaps at shoulders hold in place) — warm nights\n- \u003cstrong\u003eWear mode\u003c\/strong\u003e (snaps at shoulders closed, footbox zip open) — camp lounging, walking around camp\n\nThis versatility is what STS calls a \"true three-season backcountry bag.\" Most sleeping bags have one or two configurations; the Ascent has four.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eTemperature Rating (IMPORTANT)\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\"\u003eTwo Temperature Ratings Available\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ascent comes in two ISO Lower Limit ratings:\n- \u003cstrong\u003e30°F (ISO Lower 18°F \/ ISO Comfort 30°F)\u003c\/strong\u003e — entry-level three-season bag for summer\/fall use\n- \u003cstrong\u003e15°F (ISO Lower 5°F \/ ISO Comfort 16°F)\u003c\/strong\u003e — extended three-season bag for cold spring\/fall\/winter shoulder use\n\nBoth come in Regular and Long sizes. The current page is showing the 15°F Regular (per the URL variant).\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\"\u003eTemperature Rating (by variant)\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003e30°F Model — ISO Lower Limit\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e18°F \/ -8°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003e30°F Model — ISO Comfort (Women)\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e30°F \/ -1°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003e15°F Model — ISO Lower Limit\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e5°F \/ -15°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003e15°F Model — ISO Comfort (Women)\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e16°F \/ -9°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eDimensions \u0026amp; Weight (by size × temp)\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTemp \/ Size\u003c\/th\u003e\n\u003cth\u003eTotal Weight\u003c\/th\u003e\n\u003cth\u003eFill Weight\u003c\/th\u003e\n\u003cth\u003eCompressed Volume\u003c\/th\u003e\n\u003cth\u003eUser Height\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e30°F \/ Regular\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31.5 oz \/ 893 g\u003c\/td\u003e\n\u003ctd\u003e18.34 oz \/ 520 g\u003c\/td\u003e\n\u003ctd\u003e6.8 L\u003c\/td\u003e\n\u003ctd\u003e66.93 in \/ 170 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e30°F \/ Long\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35.3 oz \/ 1001 g\u003c\/td\u003e\n\u003ctd\u003e20.46 oz \/ 580 g\u003c\/td\u003e\n\u003ctd\u003e7.7 L\u003c\/td\u003e\n\u003ctd\u003e72.05 in \/ 183 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e15°F \/ Regular\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e44.1 oz \/ 1250 g\u003c\/td\u003e\n\u003ctd\u003e25.4 oz \/ 720 g\u003c\/td\u003e\n\u003ctd\u003e9.8 L\u003c\/td\u003e\n\u003ctd\u003e66.93 in \/ 170 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e15°F \/ Long\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e49.5 oz \/ 1404 g\u003c\/td\u003e\n\u003ctd\u003e28.22 oz \/ 800 g\u003c\/td\u003e\n\u003ctd\u003e10.9 L\u003c\/td\u003e\n\u003ctd\u003e72.05 in \/ 183 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"spec-category\"\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eShell\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e100% Recycled Nylon (Lightweight 20D, non-PFAS DWR finish)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLining\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e100% Recycled Nylon (20D)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eDown Fill\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e90\/10 Goose Down (RDS-certified, 750+ fillpower, non-PFC Ultra-Dry Down treatment)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eStuff Sack\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e100% Nylon (included, excluding trims)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eZippers\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eFull-length YKK #5 side zip (2 sliders) + 1\/2 length YKK #5 Free-Flow zip + YKK #5 footbox zip\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eBaffle Construction\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eBox baffles throughout + vertical baffles in torso\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSnaps at Shoulders\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eYes (for quilt mode + wear mode)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eFit\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWomen's specific (narrower shoulders, wider hips)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003ePerformance (STS scales)\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eClimate\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eCold (15°F model) \/ Cool (30°F model) — both rated for three-season use\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eWeight Class\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eLightweight (3-season backpacking class)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eCompatibility\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eUse Cases\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSpring\/fall\/winter shoulder backpacking, three-season backcountry use, alpine ascents (shoulder seasons), camp lounging in cold weather\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSleeping Pad Pairing\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003ePair with R 3-5 insulated sleeping pad for full temp rating system\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSleeping Bag Liner Pairing\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eCompatible with STS Silk Blend, Reactor Lightweight, and Reactor Midweight liners for added warmth\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eQuiltLock Compatible\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eYes — pairs with STS quilts and sleeping pads for hybrid sleep system\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 1994)\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 \/ Down Sleeping Bag \/ Women's Sleeping Bag\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eActivity\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eThree-season backpacking, spring\/fall\/winter shoulder trips, alpine ascents (shoulder seasons)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSeason\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eSpring, summer, fall (15°F version extends to winter shoulder)\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\"\u003eCleaning (Down Bag Specific)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eHand wash or machine wash (front-loading washer only, no top-loaders with agitators) in cold water with a \u003cstrong\u003edown-specific technical wash\u003c\/strong\u003e like Nikwax Down Wash or Grangers Down Wash. Regular detergent strips natural oils from down and degrades the Ultra-Dry Down treatment. Wash infrequently — most down bags only need washing once every 5-10 trips. Spot clean between washes with a damp cloth. \u003cstrong\u003eDo not dry clean\u003c\/strong\u003e — solvents strip the down treatment and damage the shell DWR.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eDrying (Down Bag Specific)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eTumble dry low\u003c\/strong\u003e with \u003cstrong\u003e3-4 clean tennis balls or dryer balls\u003c\/strong\u003e — the balls break up down clumps as the bag dries, restoring loft. Drying takes 2-4 hours minimum. Ensure the bag is \u003cstrong\u003ecompletely dry\u003c\/strong\u003e before storage — any retained moisture causes mildew and down clumping. Can also air dry in sunlight on a dry day, but fluff by hand periodically.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eStorage (Down Bag Specific)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e\n\u003cstrong\u003eStore UNCOMPRESSED in a large cotton storage sack\u003c\/strong\u003e — not the included compression stuff sack. Long-term compression damages down loft permanently. The included stuff sack is for transport only. STS typically includes a large cotton storage sack with their down bags. Store in a cool, dry place away from direct sunlight (UV degrades the shell fabric and the down).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eUltra-Dry Down Treatment Care\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ultra-Dry Down treatment is durable but wears off with years of use and washing. Refresh with Nikwax Down Proof or similar down-specific water-resistant treatments after washing. Apply to clean, dry bag and tumble dry low with tennis balls to activate.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eShell DWR Refresh\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe shell's non-PFAS DWR will wear off with use. Refresh with a PFC-free spray-on DWR (Nikwax TX.Direct Spray-On, Grangers Performance Repel, Gear Aid ReviveX). Apply to clean bag, let cure for 24 hours before use.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eYKK Zipper Care\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eAll three zippers (full-length, half-length Free-Flow, footbox) are YKK #5 — industry-leading brand. After exposure to sand, salt, or dirt, rinse with fresh water. If zippers stick, apply beeswax or a graphite pencil tip to the teeth — avoid silicone-based lubricants which attract dirt.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eSnaps at Shoulders\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe snaps at the shoulders (for quilt mode + wear mode) should be kept clean and free of fabric debris. If a snap stops snapping firmly, inspect for bent or stretched metal and contact STS warranty service if needed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eBox Baffle Maintenance\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eBox baffles can develop cold spots over years of use as down shifts between chambers. To re-distribute down: lay the bag flat on a clean surface, massage the chambers with your hands to push down back into even distribution. Do this periodically (every few trips) for optimal warmth.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eLong-Term Loft Maintenance\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eDown bags lose some loft over years of use. To refresh loft: tumble dry low with tennis balls for 30 minutes every 6-12 months. The mechanical action separates down clusters and restores some loft.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eRepair\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eSmall shell tears: STS repair patches or any silicone\/PU repair tape. Large tears, baffle failures, or zipper failures: contact STS warranty service.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eThree-Season Backpacking Tip\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Ascent's true three-season capability makes it a versatile single-bag choice for most backpackers. Pair the 30°F version with a Reactor Liner for cooler fall trips; pair the 15°F version with a Reactor Liner for winter shoulder trips. Use the Free-Flow Zip System aggressively — on warm summer nights, fully unzip and use as a quilt rather than opening and closing the bag repeatedly to vent. The snaps at the shoulders hold the bag in place during quilt mode.\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":"Celery \/ -1C|30F Regular","offer_id":52743296483648,"sku":"S3113","price":399.0,"currency_code":"USD","in_stock":false},{"title":"Celery \/ -9C|15F Regular","offer_id":52743296516416,"sku":"S3123","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Celery \/ -1C|30F Long","offer_id":52743296549184,"sku":"S3114","price":429.0,"currency_code":"USD","in_stock":false},{"title":"Celery \/ -9C|15F Long","offer_id":52743296581952,"sku":"S3124","price":479.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7487\/5549\/files\/S3113_cf0dbc72-8f4a-4558-babd-25351b453dd9.jpg?v=1783364223","url":"https:\/\/spokex.com\/products\/sea-to-summit-ascent-womens-down-sleeping-bag","provider":"SX Collective","version":"1.0","type":"link"}