{"product_id":"therm-a-rest-boost-650-20f-6c-sleeping-bag","title":"Therm-a-Rest Boost 650 20F\/-6C Sleeping Bag","description":"\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\n\u003cstyle\u003e\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@400;600;700;800\u0026family=Barlow:wght@300;400;500\u0026display=swap');\n:root {\n  --black: #0a0a0a;\n  --white: #ffffff;\n  --mid: #f5f5f5;\n  --border: #e0e0e0;\n  --text-muted: #777;\n  --text-body: #222;\n}\n* {\n  box-sizing: border-box;\n  margin: 0;\n  padding: 0;\n}\n.spur-wrap {\n  font-family: 'Barlow', sans-serif;\n  background: var(--white);\n  color: var(--black);\n  max-width: 1100px;\n  margin: 0 auto;\n  padding: 48px 24px;\n}\n.spur-header {\n  display: flex;\n  align-items: flex-end;\n  justify-content: space-between;\n  margin-bottom: 48px;\n  border-bottom: 1px solid var(--border);\n  padding-bottom: 24px;\n  flex-wrap: wrap;\n  gap: 12px;\n}\n.spur-title {\n  font-family: 'Barlow Condensed', sans-serif;\n  font-size: clamp(28px, 5vw, 48px);\n  font-weight: 800;\n  letter-spacing: -0.02em;\n  line-height: 1;\n  text-transform: uppercase;\n}\n.spur-meta {\n  font-size: 12px;\n  font-weight: 500;\n  letter-spacing: 0.12em;\n  text-transform: uppercase;\n  color: var(--text-muted);\n}\n.spur-tabs {\n  display: flex;\n  gap: 4px;\n  margin-bottom: 32px;\n}\n.spur-tab {\n  font-family: 'Barlow Condensed', sans-serif;\n  font-size: 14px;\n  font-weight: 700;\n  letter-spacing: 0.1em;\n  text-transform: uppercase;\n  padding: 10px 24px;\n  background: var(--mid);\n  color: var(--text-muted);\n  border: 1px solid var(--border);\n  cursor: pointer;\n  transition: all 0.15s;\n  border-radius: 2px;\n}\n.spur-tab:hover {\n  color: var(--black);\n  border-color: #aaa;\n}\n.spur-tab.active {\n  background: var(--black);\n  color: var(--white);\n  border-color: var(--black);\n}\n.spur-panel {\n  display: none;\n}\n.spur-panel.active {\n  display: block;\n}\n.spec-category {\n  font-family: 'Barlow Condensed', sans-serif;\n  font-size: 11px;\n  font-weight: 700;\n  letter-spacing: 0.2em;\n  text-transform: uppercase;\n  color: var(--black);\n  padding: 20px 0 8px;\n  border-bottom: 2px solid var(--black);\n  margin-bottom: 0;\n}\n.spec-row {\n  display: grid;\n  grid-template-columns: 200px 1fr;\n  border-bottom: 1px solid var(--border);\n  transition: background 0.1s;\n}\n.spec-row:hover {\n  background: var(--mid);\n}\n.spec-key {\n  font-size: 12px;\n  font-weight: 500;\n  letter-spacing: 0.05em;\n  text-transform: uppercase;\n  color: var(--text-muted);\n  padding: 12px 16px 12px 0;\n  align-self: start;\n}\n.spec-val {\n  font-size: 14px;\n  font-weight: 300;\n  color: var(--text-body);\n  padding: 12px 0;\n  line-height: 1.5;\n}\n@media (max-width: 600px) {\n  .spec-row {\n    grid-template-columns: 1fr;\n  }\n  .spec-key {\n    padding-bottom: 2px;\n  }\n  .spec-val {\n    padding-top: 0;\n    padding-bottom: 12px;\n  }\n}\n\u003c\/style\u003e\n\u003cdiv class=\"spur-wrap\"\u003e\n\u003cdiv class=\"spur-header\"\u003e\n\u003cdiv class=\"spur-title\"\u003eBoost 650™ 20F\/-6C\u003c\/div\u003e\n\u003cdiv class=\"spur-meta\"\u003eTherm-a-Rest · Ultra-comfy three-season backpacking sleeping bag with adjustable shape and warmth\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spur-tabs\"\u003e\n\u003cbutton class=\"spur-tab active\" onclick=\"showPanel('specs', this)\"\u003eSpecs\u003c\/button\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"panel-specs\" class=\"spur-panel active\"\u003e\n\u003cdiv class=\"spec-category\"\u003eDescription\u003c\/div\u003e\n\u003cdiv style=\"padding: 16px 0;\"\u003e\n\u003cp style=\"font-size: 14px; font-weight: 300; color: var(--text-body); line-height: 1.6;\"\u003eComfort is not 'one size fits all', which is why the Boost 650 empowers you to customize its shape to find your perfect balance of space and warmth. As a spacious semi-rectangular sleeping bag the Boost provides all the room you need to side sleep, shift about, spread out and relax. The semi-rectangular shape gives you considerably more internal space than a mummy bag—you'll feel unrestricted and free to sleep in whatever position you want all night long. But more space demands more body heat to warm it up and cold isn't comfortable. That's where WarmZip comes in. Zipping up the WarmZip center zipper transforms the shape of the Boost 650 from a semi-rectangular bag to a thermally efficient mummy bag. It pulls the 650-fill down around your body and reduces the amount of space your body needs to heat. WarmZip gives you the power to add up to 10F\/6C to the Boost's temperature rating. Standard Therm-a-Rest features like a puffy draft collar, a draft tube along the entry zipper line and a cinchable hood round out the Boost's bliss-inducing comfort.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; font-weight: 300; color: var(--text-body); line-height: 1.6; margin-top: 12px;\"\u003eWe designed the Boost 650 to be comfortable when you're falling asleep, when you're asleep and when you're wide awake and hanging out in your tent. The arm holes give you easy access to the WarmZip without having to use the side zipper. They also allow you to access your belongings, read a book, play cards or high-five your friends without leaving the cozy warmth of your sleeping bag. Getting too warm? Use the arm holes to ventilate or comfortably sleep with just your arms out. You can also ventilate around your torso or down by your feet with the two-way side zipper. Every zipper line on the Boost has a durable YKK anti-snag pull to eliminate annoying snags and damaging tears.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; font-weight: 300; color: var(--text-body); line-height: 1.6; margin-top: 12px;\"\u003eAll that comfort must be bulky and heavy, right? Think again. The Boost 650 was built to backpack—we dialed in the materials and design to make it light, packable and high-performing in variable backcountry conditions. Zoned Insulation places the 650-fill hydrophobic down in key warmth-retention areas (on top, around your core and shoulders) and reduces it where it's less efficient (on the bottom), allowing the Boost to create more warmth with less down. The shell and liner are made of 100%-recycled nylon that was handpicked for its light weight and super-soft feel. The PFAS-free DWR coating and the hydrophobic down keep the Boost warm and comfy even in wet weather.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-category\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eComfort\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eCustomizable Comfort - Enjoy the spacious freedom of the semi-rectangular bag or the cozy warmth of a mummy bag—pick the shape and temperature that keeps you comfy at night with just a zip\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eWarmth\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWarmZip™ Tech - Patent-pending center zipper design zips up to reduce the bag's internal space and tuck insulation around the sleeper to boost warmth by up to 10F\/6C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLivability\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eMulti-Use Arm Holes - Reach the WarmZip, read a book, play cards or simply ventilate—do it all while tucked into your sleeping bag for elevated livability\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eInsulation\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003ePlush \u0026amp; Puffy - 650-fill, RDS-certified hydrophobic down is allocated to key areas with Zoned Insulation for refined heat efficiency and maximum coziness\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\"\u003eEco-Conscious Materials - Shell and liner are made of GRS-certified, 100% recycled, soft-to-the-touch nylon and coated with PFAS-free water repellent\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSizing\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eInclusive Sizing - Each length—Short, Regular, Long—is also available in a Wide width, so you get the bag you want in the fit you need\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eAdditional Features - YKK anti-snag zippers, cinchable hood, zipper draft tube, puffed draft collar, and a two-way entry zipper\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eIncluded\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eCompression sack and storage sack included\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-category\"\u003eTemperature Rating\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eEN Comfort\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e32°F (0°C)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eEN Limit\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e20°F (-6°C)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eEN Extreme\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e-9°F (-23°C)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-category\"\u003eSpecs\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eShort\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWeight: 2 lb 4 oz (1021 g) | Fits: 66\" (168 cm) | Length: 73\" (188 cm) | Shoulder: 63\" (160 cm) | Hip: 59\" (150 cm) | Foot Box: 61\" (155 cm) | Packed: 9.5\" x 6.5\" (24 x 17 cm) | Fill: 1 lb 4 oz (565 g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eShort Wide\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWeight: 2 lb 13 oz (1274 g) | Fits: 66\" (168 cm) | Length: 73\" (188 cm) | Shoulder: 75\" (191 cm) | Hip: 73\" (185 cm) | Foot Box: 61\" (155 cm) | Packed: 10\" x 6.5\" (25 x 17 cm) | Fill: 1 lb 11 oz (768 g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eRegular\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWeight: 2 lb 11 oz (1205 g) | Fits: 72\" (183 cm) | Length: 80\" (203 cm) | Shoulder: 64\" (163 cm) | Hip: 60\" (152 cm) | Foot Box: 61\" (155 cm) | Packed: 12.5\" x 7.5\" (32 x 19 cm) | Fill: 1 lb 7 oz (649 g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eRegular Wide\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWeight: 3 lb 5 oz (1515 g) | Fits: 72\" (183 cm) | Length: 80\" (203 cm) | Shoulder: 76\" (193 cm) | Hip: 74\" (188 cm) | Foot Box: 61\" (155 cm) | Packed: 13.5\" x 7.5\" (34 x 19 cm) | Fill: 2 lb (909 g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLong\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWeight: 3 lb 1 oz (1398 g) | Fits: 78\" (198 cm) | Length: 85\" (216 cm) | Shoulder: 65\" (165 cm) | Hip: 61\" (155 cm) | Foot Box: 61\" (155 cm) | Packed: 13\" x 7.5\" (33 x 19 cm) | Fill: 1 lb 10 oz (733 g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLong Wide\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWeight: 3 lb 13 oz (1737 g) | Fits: 78\" (198 cm) | Length: 85\" (216 cm) | Shoulder: 77\" (196 cm) | Hip: 75\" (191 cm) | Foot Box: 61\" (155 cm) | Packed: 14.5\" x 7.5\" (37 x 19 cm) | Fill: 2 lb 4 oz (1030 g)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-category\"\u003eMaterials\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eFill\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e650-Fill Duck PFAS-Free Hydrophobic Down, RDS Certified\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eShell\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e20D 100% Recycled Nylon Rip Stop with PFAS-Free DWR\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\"\u003e20D 100% Recycled Nylon Rip Stop\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eZipper\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eYKK Anti-Snag, Left Side\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eColor\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eMorning Blue\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eOrigin\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eVietnam\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript\u003e\nfunction showPanel(id, btn) {\n  document.querySelectorAll('.spur-panel').forEach(p =\u003e p.classList.remove('active'));\n  document.querySelectorAll('.spur-tab').forEach(t =\u003e t.classList.remove('active'));\n  document.getElementById('panel-' + id).classList.add('active');\n  btn.classList.add('active');\n}\n\u003c\/script\u003e","brand":"Therm-a-Rest","offers":[{"title":"Morning Blue \/ Short","offer_id":51659544723776,"sku":"14201","price":299.95,"currency_code":"USD","in_stock":true},{"title":"Morning Blue \/ Short Wide","offer_id":51659544756544,"sku":"14202","price":319.95,"currency_code":"USD","in_stock":true},{"title":"Morning Blue \/ Regular","offer_id":51659544789312,"sku":"14203","price":339.95,"currency_code":"USD","in_stock":true},{"title":"Morning Blue \/ Regular Wide","offer_id":51659544822080,"sku":"14204","price":359.95,"currency_code":"USD","in_stock":true},{"title":"Morning Blue \/ Long","offer_id":51659544854848,"sku":"14205","price":379.95,"currency_code":"USD","in_stock":true},{"title":"Morning Blue \/ Long Wide","offer_id":51659544887616,"sku":"14206","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7487\/5549\/files\/14201_44812d1d-896b-4166-ba8b-7452722ee82e.jpg?v=1774723227","url":"https:\/\/spokex.com\/products\/therm-a-rest-boost-650-20f-6c-sleeping-bag","provider":"SX Collective","version":"1.0","type":"link"}