Description of Mountain Hardwear Spirit SL 32° Sleeping Bag Welded, watertight baffle construction and a water-shedding Conduit™ shell make the Spirit™ SL ideal for moderate temperatures where moisture is a factor. With 800-fill down, the efficient mummy cut and heat-conserving face gasket makes a warm, lightweight nearly waterproof bag. "Mountain Hardwear Expedition down sleeping bags are second to none. They are lightweight, functional and have massive amounts of loft. If staying warm and going light are your choices, then these bags are what you want." – Ed Viesturs, Mountaineer Features: Insulation: 800-fill Down Temp. rating: 32 F / 0 C Laminate: Conduit™ SL Lining: 30D Nylon Taffeta Shell Fabric: SL Ripstop™ Weight: 2 lbs, 8 oz / 1160.00 g Size: REG, LONG, REG, LONG Loft: 4.00 in / 10.16 cm Stuffed diameter: 7.00 in / 17.78 cm Stuffed length: 14.00 in / 35.56 cm Fill weight: 0 lbs, 10 oz / 283.50 g Inside length: 78.00 in / 198.12 cm Shoulder girth: 62.00 in / 157.48 cm Foot girth: 38.00 in / 96.52 cm Premium 800-fill down insulation provides outstanding lightweight warmth and loft Conduit SL shell is waterproof, breathable, windproof, durable and lightweight Laminated, double external zipper flaps keep water out Comfort Footbox follows natural foot position for maximum warmth and comfort Nylon mesh storage bag and stuff sack included Conduit SL shell is waterproof, breathable, windproof, durable and lightweight Comfort mummy cut efficiently maximizes warmth without constriction Face gasket and tailored hood comfortably block drafts at the hood opening and seal in warmth