{"product_id":"usmc-sleep-system-waterproof-compression-stuff-sack-large","title":"USMC Sleep System Waterproof Compression Stuff Sack - Large","description":"\u003ch2\u003eGenuine USMC Waterproof Compression Stuff Sack - Large\u003c\/h2\u003e\n\u003cp\u003eMaximize your pack space and protect your vital gear from the elements with the authentic \u003cstrong\u003eUSMC Waterproof Compression Stuff Sack (Large, Type VI)\u003c\/strong\u003e. Originally designed to house and tightly compress the military modular sleep system, this heavy-duty dry bag is an essential upgrade for backcountry backpacking, camping, and tactical loadouts.\u003c\/p\u003e\n\n\u003cp\u003eCo-manufactured by \u003cstrong\u003eSealLine\u003c\/strong\u003e (Cascade Designs) and \u003cstrong\u003eSkilcraft\u003c\/strong\u003e, this sack goes beyond standard dry bags. It features a traditional watertight roll-top closure combined with an integrated one-way air purge valve. Once your gear is loaded and the top is sealed, simply kneel on the bag to force all trapped air out through the valve. The exterior flap and dual strap buckles then lock everything down, compressing bulky gear to a fraction of its original size.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features \u0026amp; Design\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAuthentic Military Surplus:\u003c\/strong\u003e Genuine U.S. military issue, built for extreme field conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWatertight Seal:\u003c\/strong\u003e Roll-top closure with a secure snap buckle keeps moisture, dirt, and debris out.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAir Purge Valve:\u003c\/strong\u003e One-way valve near the base allows for maximum air evacuation without letting water back in.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtreme Compression:\u003c\/strong\u003e Exterior cap flap and adjustable webbing straps hold the sack securely in its fully compressed state.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e Built from heavy-duty, abrasion-resistant waterproof material designed to withstand austere outdoor environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNSN:\u003c\/strong\u003e 8465-01-608-7507\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Large (Type VI)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturers:\u003c\/strong\u003e SealLine \/ Skilcraft\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Primarily issued for the USMC sleeping bag system, but excellent for any bulky sleeping bags, heavy clothing, or tarps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse \u0026amp; Care Instructions\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Fold gear to fit the long axis, roll top smoothly at least 3 times, connect buckle. Wrap exterior flap around sack, kneel to purge air, and tighten straps.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e Hand wash with mild soap and warm water. Hang and air dry only. If the purge valve clogs, flush with water from the inside out.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStorage Warning:\u003c\/strong\u003e Do not machine wash or tumble dry. Do not store your sleep system tightly compressed inside this sack long-term (in garrison), as it can degrade the loft of your gear and the bag's waterproofing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Forest City Supply","offers":[{"title":"New","offer_id":52378532839725,"sku":"COMP-USMC-BLK-LARGE-NEW","price":69.99,"currency_code":"USD","in_stock":false},{"title":"Used","offer_id":52378532872493,"sku":"COMP-USMC-BLK-LARGE-USE","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/9076\/9197\/files\/PXL_20260919_155950148.jpg?v=1789833980","url":"https:\/\/forestcitysupply.com\/products\/usmc-sleep-system-waterproof-compression-stuff-sack-large","provider":"Forest City Supply","version":"1.0","type":"link"}