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The Ascend Whammy -20 Mummy Sleeping Bag seals in your body heat and locks out cold for below-zero backpacking in extreme temperatures. This insulated winter sleeping bag is comfort rated to -20F with Thermolite Extra synthetic fill. The mummy shape is ideal for the trail with a trapezoidal footbox that allows better circulation and comfort. The full-length draft tube and chest baffle lock in heat and double-layer offset seam construction eliminates cold spots. The Ascend Whammy -20 Mummy Sleeping Bag has locking zippers a fully adjustable contoured hood and packs in its own compression bag. Shell: Polyester ripstop. Lining: Polyester taffeta. Imported. Shell: Polyester ripstop 20 denier Lining: Polyester taffeta 20 denier Thermolite Extra fill Full-length draft tube and chest baffle lock in heat Offset seams eliminate cold spots Fully adjustable contoured hood Roomy trapezoidal footbox Durable zippers with locking sliders Comfort rated to -20F Packs easily in its own stuff sack Specs Regular 80″L x 32″W; Carry weight: 4 lbs. 12 oz. ; Fill weight: 3 lbs. 8 oz. Long 85″L x 34″W; Carry weight: 5 lbs. 9 oz. Fill weight: 3 lbs. 15 oz.
- 80″L x 32″W; Carry weight: 4 lbs. 12 oz. ; Fill weight: 3 lbs. 8 oz. ; Long.
- 85″L x 34″W; Carry weight: 5 lbs.