{"product_id":"sea-to-summit-big-river-dry-backpack","title":"Sea to Summit Big River Dry Backpack","description":"\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003ctitle\u003eBig River Dry Backpack\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); color: var(--white); border-color: var(--black); }\n#tab-desc:checked ~ .spur-panels .desc-panel { display: block; }\n#tab-key:checked ~ .spur-panels .key-panel { display: block; }\n#tab-specs:checked ~ .spur-panels .specs-panel { display: block; }\n#tab-care:checked ~ .spur-panels .care-panel { display: block; }\n.spur-panel p { font-size: 14px; font-weight: 300; line-height: 1.7; color: var(--body); margin-bottom: 16px; }\n.desc-intro { font-size: 16px; font-weight: 400; line-height: 1.65; color: var(--body); margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }\n.key-section { border-bottom: 1px solid var(--border); padding: 16px 0; }\n.key-section:last-child { border-bottom: none; }\n.key-title { font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; }\n.key-desc { font-size: 14px; font-weight: 300; color: var(--body); line-height: 1.5; }\n.spec-row { display: grid; 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\"\u003eBig River Dry Backpack\u003c\/div\u003e\n\u003cdiv class=\"spur-meta\"\u003eDry Pack · Paddle Sports · Motorcycle Touring · Waterproof\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\"\u003eA comfortable way to carry your gear along on any adventure. Big River Dry Backpacks are reliable, abrasion resistant, and waterproof. From the white water to alpine motor bike trails, this backpack keeps everything dry, together, and safe. A white interior laminate makes it simple to find your gear, while the oval shape and lash loops allow secure stacking or attachment to equipment. The hypalon non-wicking roll-top closure keeps water out, and the Field Repair Buckles can be replaced in seconds with just a Phillips screwdriver. So gear up, roll down and get after it.\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\"\u003e10000mm Waterproof\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e10,000 mm hydrostatic head — fully waterproof for whitewater, submersion, motorcycle rain, prolonged wet exposure.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eBuilt Tough\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eHeavy-duty 420D ripstop nylon + triple-coated oval base — abrasion and puncture-resistant.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eRoll-Top Closure\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eHypalon non-wicking roll-top with Field Repair Buckles — reliable seal, replaceable buckles.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eField Repairable\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eField Repair Buckles replaced in seconds with just a Phillips screwdriver — no special tools needed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eMulti-Activity\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePaddle sports, motorcycle touring, wet-weather commuting, canoe expeditions, alpine adventures.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e3 Sizes\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003e30L for day trips, 50L for weekends, 75L for week-long expeditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003e10000 mm Hydrostatic Head (NEW — WATERPROOF RATING)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Big River's fabric has a \u003cstrong\u003e10,000 mm hydrostatic head\u003c\/strong\u003e rating — the height of water column the fabric can withstand before leaking. Rating context:\n- 1,500 mm = minimum \"waterproof\"\n- 5,000 mm = waterproof for most rain\n- \u003cstrong\u003e10,000 mm = waterproof for submersion\u003c\/strong\u003e (this product)\n- 20,000 mm = fully waterproof for prolonged submersion\n\n10,000 mm handles whitewater paddling, motorcycle touring in heavy rain, accidental submersion, and prolonged wet conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eHeavy-Duty 420D Ripstop Nylon\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe pack is built from \u003cstrong\u003eheavy-duty 420D ripstop nylon\u003c\/strong\u003e — much heavier and more durable than the 15D\/20D fabrics used in sleeping bags and pillows. The ripstop weave prevents small tears from propagating. Triple-coated base for additional abrasion resistance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eHypalon Non-Wicking Roll-Top Closure (NEW)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe pack closes with a \u003cstrong\u003ehypalon non-wicking roll-top\u003c\/strong\u003e:\n- \u003cstrong\u003eHypalon\u003c\/strong\u003e = a synthetic rubber (chlorosulfonated polyethylene) used in high-performance waterproof applications. UV-resistant, chemically stable, and durable.\n- \u003cstrong\u003eNon-wicking\u003c\/strong\u003e = the fabric doesn't absorb water via capillary action, so the closure stays dry even when wet.\n- \u003cstrong\u003eRoll-top\u003c\/strong\u003e = fold the top down 3-4 times and clip with the buckle. Folding creates a mechanical seal that's reliable even if water gets past the buckle.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003ePatented Field Repair Buckles (NEW — KEY FEATURE)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe buckles are STS's patented \u003cstrong\u003eField Repair Buckles\u003c\/strong\u003e — \u003cstrong\u003ereplaceable in seconds with just a Phillips screwdriver\u003c\/strong\u003e (no special tools, no sewing). Per STS: \"the Field Repair Buckles can be replaced in seconds with just a Phillips screwdriver.\" A broken buckle doesn't end a trip — swap it out roadside\/trail-side in minutes. Same buckle system used on STS dry sacks and the Air Chair.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eWhite Interior TPU Laminate\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe interior is lined with a \u003cstrong\u003ewhite TPU laminate\u003c\/strong\u003e that reflects light — makes gear inside the pack much easier to find in low-light conditions (early morning, dusk, kayak cockpit, dark tent). Practical feature for paddlers and motorcyclists who often access gear in dim conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eOvalised Shape (NEW — DESIGN RATIONALE)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe pack has an \u003cstrong\u003eoval cross-section\u003c\/strong\u003e rather than round. Benefits:\n- \u003cstrong\u003eEasy stacking\u003c\/strong\u003e — packs nest together for transport\/storage\n- \u003cstrong\u003eSecure lashing\u003c\/strong\u003e — lash rails run along the long axis, providing multiple attachment points\n- \u003cstrong\u003eComfortable carry\u003c\/strong\u003e — the flat back panel sits closer to the wearer's spine, distributing weight better than a round pack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eGrab + Lash System (NEW — ATTACHMENT)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe pack has both a \u003cstrong\u003egrab handle\u003c\/strong\u003e and \u003cstrong\u003elash rails\u003c\/strong\u003e — strong and versatile attachment points for:\n- Securing to kayaks (deck rigging)\n- Attaching to bikes (handlebar\/frame bags)\n- Motorbike luggage (rack straps)\n- Rooftop cargo boxes (tie-down points)\n- Carrying multiple packs together\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eAdjustable EVA Foam Harness\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe pack harness uses \u003cstrong\u003eadjustable EVA foam\u003c\/strong\u003e — closed-cell foam that's lightweight, doesn't absorb water, and provides cushioning. Combined with the sternum strap and removable 38mm webbing hipbelt (waist strap), the harness holds the pack firmly during active use.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eSizing \u0026amp; Use Cases\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\"\u003e30L \/ 50L \/ 75L Sizes\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThree sizes for different trip lengths:\n- \u003cstrong\u003e30L\u003c\/strong\u003e — day trips, wet-weather commuting, short paddles\n- \u003cstrong\u003e50L\u003c\/strong\u003e — weekend trips, 2-3 day paddles, multi-day motorcycle trips\n- \u003cstrong\u003e75L\u003c\/strong\u003e — week-long expeditions, full gear loads for extended paddles or motorcycle touring\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eLoad Capacity (PER STS FAQ)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePer STS FAQ: \"A short distance carry limit might be 20Kg, a longer distance carry limit would be 12Kg, depending on the wearer.\" Load capacity depends on trip length and user strength:\n- \u003cstrong\u003eShort distance\u003c\/strong\u003e (car to campsite, portage): up to 20 kg\n- \u003cstrong\u003eLonger distance\u003c\/strong\u003e (multi-day carry, all-day hike-in): up to 12 kg\n\nThe waist strap (NOT a hipbelt per STS FAQ) helps distribute weight but isn't a true load-bearing hipbelt.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eNo Inside Pockets (PER STS FAQ)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePer STS FAQ: \"It doesn't [have inside pockets] - but packing smaller items in dry bags\/stuff sacks will keep them easy to find inside the pack.\" The Big River is intentionally minimalist inside — pack smaller items in dry bags or stuff sacks to organize and protect them.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eNon-Adjustable Harness (PER STS FAQ)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePer STS FAQ: \"A non-adjustable harness was chosen for durable simplicity on complex days of hauling gear.\" The harness is intentionally non-adjustable — trade-off between adjustability and durability. For multiple wearers sharing the pack, this is a limitation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eSustainability \u0026amp; Repair\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\"\u003eNon-PFAS Laminate\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe waterproof laminate is \u003cstrong\u003enon-PFAS\u003c\/strong\u003e — uses chemistry that doesn't contain PFAS (\"forever chemicals\"). This is becoming a standard expectation from outdoor brands, and STS is ahead on this.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eSTS Warranty Service\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eSTS offers warranty service on the Big River Dry Backpack — for manufacturing defects, premature wear, or unexpected failures. STS is known for responsive warranty service (verified by multiple customer reviews of other STS products).\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\"\u003eBest Use\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eActivity\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003ePaddle Sports (kayaking, canoeing, rafting), Motorcycle Touring, Wet-Weather Commuting, Alpine Adventures, Canoe Expeditions\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eMaterials \u0026amp; Construction\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eFabric\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e100% Nylon (420D ripstop, heavy-duty, triple-coated base, non-PFAS laminate)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eHydrostatic Head\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e10,000 mm (fully waterproof for submersion and prolonged wet conditions)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eClosure\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eHypalon non-wicking roll-top with Field Repair Buckles\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eInterior\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eWhite TPU laminate (reflects light for gear visibility)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSeam Construction\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eDouble-stitched, fully taped waterproof seams\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eShape\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eOval cross-section (for stacking + lashing)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eDimensions \u0026amp; Weight (by size)\u003c\/p\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMeasurement\u003c\/th\u003e\n\u003cth\u003e30L\u003c\/th\u003e\n\u003cth\u003e50L\u003c\/th\u003e\n\u003cth\u003e75L\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23.6 oz \/ 670 g\u003c\/td\u003e\n\u003ctd\u003e26.8 oz \/ 760 g\u003c\/td\u003e\n\u003ctd\u003e28.9 oz \/ 820 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9 × 11 × 22 in\u003cbr\u003e23 × 28 × 56 cm\u003c\/td\u003e\n\u003ctd\u003e11 × 14 × 24 in\u003cbr\u003e28 × 36 × 61 cm\u003c\/td\u003e\n\u003ctd\u003e14 × 13 × 27 in\u003cbr\u003e33 × 36.5 × 67.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"spec-category\"\u003ePerformance (STS scales)\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eWeight Class\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eHeavyweight (purpose-built for rugged use, not ultralight)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eUsage Class\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eRugged Storage (the heaviest-duty tier on STS scale)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eHarness \u0026amp; Carry System\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eHarness\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eAdjustable EVA foam (non-adjustable height per STS FAQ)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eSternum Strap\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eYes (included)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eHipbelt\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eRemovable 38mm webbing waist strap (NOT a load-bearing hipbelt per STS FAQ)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eGrab Handle\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eYes (top of pack)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLoad Capacity\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003e20 kg short distance \/ 12 kg long distance\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"spec-category\"\u003eAttachment\u003c\/p\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eLash Rails\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eYes (along long axis — for attaching to kayaks, bikes, motorbikes, roofracks)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-row\"\u003e\n\u003cdiv class=\"spec-key\"\u003eInside Pockets\u003c\/div\u003e\n\u003cdiv class=\"spec-val\"\u003eNone (pack items in dry bags\/stuff sacks for organization)\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\"\u003eDry Backpack \/ Waterproof Backpack \/ Paddle Sports Pack\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\"\u003ePaddle sports, motorcycle touring, wet-weather commuting, canoe expeditions, alpine adventures\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\"\u003eYear-round (all seasons — handles all weather conditions)\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\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eRinse with fresh water after exposure to salt, mud, sand, or dirt. For tougher grime, use a mild soap and a soft brush. Avoid harsh detergents that can degrade the waterproof laminate. Air dry completely before long-term storage. Do not machine wash or tumble dry — can damage the seam sealing, TPU interior laminate, and Field Repair Buckles.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eDrying\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eOpen fully and hang or stand in a well-ventilated area. The 420D nylon dries relatively slowly due to its thickness — air-drying takes longer than 15D\/20D fabrics. For long-term storage, ensure the pack is \u003cstrong\u003ecompletely dry\u003c\/strong\u003e before storage to prevent mildew and odor.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eRoll-Top Closure Care\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePeriodically inspect the hypalon roll-top for cracks, cuts, or stiffness. Hypalon is durable but can degrade with years of UV exposure. To maintain water resistance:\n- Roll the top down \u003cstrong\u003eat least 3-4 times\u003c\/strong\u003e (more for submersion applications)\n- Ensure the buckles are fully clipped and tensioned\n- Clean the buckle tracks of any debris or salt\n- Inspect the fold area for wear or pinholes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eField Repair Buckle Replacement (NEW)\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003ePer STS description: \"the Field Repair Buckles can be replaced in seconds with just a Phillips screwdriver.\" STS sells replacement Field Repair Buckles separately. To replace:\n- Use a Phillips screwdriver to remove the screw\/pin on the buckle\n- Slide the old buckle off the webbing\n- Slide the new buckle onto the webbing\n- Re-insert the screw\/pin and tighten\n\nNo special tools, no sewing. Carry a spare set of buckles on extended trips for emergency repairs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eSeam Sealing Inspection\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe Big River uses \u003cstrong\u003edouble-stitched, fully taped waterproof seams\u003c\/strong\u003e. Periodically inspect the seams for:\n- Peeling or delaminating seam tape\n- Stitching failures (broken threads)\n- Punctures or cuts near seams\n\nIf a seam starts to fail, repair with STS seam sealer or contact STS warranty service.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eLash Rail Inspection\u003c\/div\u003e\u0026lt;\u003cdiv class=\"key-desc\"\u003eThe lash rails (along the long axis) are attachment points — inspect periodically for wear, especially if you strap the pack to motorbikes or roof racks frequently. STS sells replacement lash rails if needed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eHarness Webbing Care\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eThe EVA foam harness and webbing straps can accumulate salt, dirt, and body oils. Periodically rinse with fresh water and a mild soap. Inspect the stitching on the harness attachment points for wear — these are the highest-stress areas of the pack.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003ePuncture Repair\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eSmall punctures or cuts in the 420D nylon fabric can be repaired with STS repair patches or any heavy-duty silicone\/PU repair tape. Clean and dry the area, apply the patch, and allow to cure for 12–24 hours before use. Larger tears or seam failures may need professional repair — contact STS warranty service.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"key-section\"\u003e\n\u003cdiv class=\"key-title\"\u003eLong-Term Storage\u003c\/div\u003e\n\u003cdiv class=\"key-desc\"\u003eStore dry, clean, loosely folded, and out of direct sunlight. UV degrades the 420D nylon and the hypalon roll-top over time. For very long-term storage, consider stuffing with newspaper or rags to maintain shape and absorb any residual moisture.\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- \u003cstrong\u003ePaddle sports:\u003c\/strong\u003e Always roll the top at least 4 times before getting in the kayak\/boat. The 10,000 mm waterproof rating handles splash and brief submersion; the roll-top closure is the primary defense.\n- \u003cstrong\u003eMotorcycle touring:\u003c\/strong\u003e Use the lash rails to secure to the bike's luggage rack. The 420D fabric handles highway vibration and weather exposure well.\n- \u003cstrong\u003eWet-weather commuting:\u003c\/strong\u003e The white interior laminate helps find gear in dark commute conditions. Pack electronics in separate dry bags inside the Big River for extra protection.\n- \u003cstrong\u003eMulti-day canoe expeditions:\u003c\/strong\u003e Pack smaller items in dry bags\/stuff sacks inside the Big River for organization. Use the 75L size for week-long trips.\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":"Jet Black \/ 30L","offer_id":52743296876864,"sku":"A4060-19","price":139.95,"currency_code":"USD","in_stock":true},{"title":"Jet Black \/ 50L","offer_id":52743296909632,"sku":"A4061-19","price":169.95,"currency_code":"USD","in_stock":true},{"title":"Jet Black \/ 75L","offer_id":52743296942400,"sku":"A4062-19","price":199.95,"currency_code":"USD","in_stock":false},{"title":"Picante \/ 30L","offer_id":52743296975168,"sku":"A4060-20","price":139.95,"currency_code":"USD","in_stock":false},{"title":"Picante \/ 50L","offer_id":52743297007936,"sku":"A4061-20","price":169.95,"currency_code":"USD","in_stock":true},{"title":"Picante \/ 75L","offer_id":52743297040704,"sku":"A4062-20","price":199.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/7487\/5549\/files\/A4060-19_0cd36fad-37a6-4d68-a86d-ea05eebc4e51.jpg?v=1783364228","url":"https:\/\/spokex.com\/products\/sea-to-summit-big-river-dry-backpack","provider":"SX Collective","version":"1.0","type":"link"}