Marmot 0°F Radon Down Sleeping Bag 800 Fill Power. 800 fill power goose down insulation is treated with Down Defender for resistance to clumping and loft loss when damp. Pertex® Microlight ripstop fabric shell and lining is durable, breathable and wind resistant. Full-length insulated draft tube. Down-filled passive collar seals out cold air and locks in warm air. Includes stuff sack and mesh storage bag. Insulation material: Goose down. Insulation fill power: 800. Fill weight: 28 ounces. The item “Marmot 0°F Radon Down Sleeping Bag 800 Fill Power Mummy Long Backpacking Camping” is in sale since Wednesday, June 14, 2017. This item is in the category “Sporting Goods\Outdoor Sports\Camping & Hiking\Outdoor Sleeping Gear\Sleeping Bags”. The seller is “forever_sport” and is located in Germantown, Maryland. This item can be shipped worldwide.