• 100% Recycled Nylon
• Imported
• Built for everybody and bodies of all shapes and sizes, the Boost 650 is an ultra-comfortable backpacking sleeping bag with adjustable shape and warmth
• WarmZip Tech is our patent-pending center zipper that can reduce the bag's internal space and tuck insulation around the sleeper to boost warmth by up to 10 degrees F (6 degrees C)
• An inclusive size range that includes Wide sizes for every length, as well as the centered WarmZip zipper, increases comfort for people with broad shoulders, those who toss and turn, and everyone who wants more room than a traditional mummy sleeping bag
• Multi-use arm holes make it easy to reach the WarmZip, read, make coffee, or play cards all while keeping warmth in and cold out
• 650 fill, RDS-certified down is hydrophobic to help keep you dry in inclement weather and is allocated to key areas for maximum heat efficiency and comfort