Description of Mountain Hardwear Spectre SL Sleeping Bag (long) A three-season alpine climbing bag, Spectre™ is a great all around backpacking bag with a regular mummy cut. Spectre features Mountain Hardwear’s exclusive moisture shedding, Conduit™ SL shell with welded-baffle construction to hold incidental moisture at bay, and 800-fill down for warmth. "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 The Mountain Hardwear Spectre SL is your key to warm nights of restful sleep. Features: Bag Shape : Mummy Fill Type : 800-fill Down Fill Weight : 16.0 oz / 454 g Foot Girth : 38 in / 97 cm Inside Length : 78 in / 198 cm Laminate : Conduit SL Loft : 5 in / 13 cm Retail Price : $350.00-$375.00 Shell Fabric : SL Ripstop Shoulder Girth : 61 in / 155 cm Stuffed Diameter : 8 in / 19 cm Stuffed Length : 16 in / 41 cm Temp Rating : 20° F / -6° C Weight : 2 lb 12 oz / 1246 g Low profile hood Welded, watertight, baffle construction Stormproof, double flap, side zip Slant baffle construction ensures consistent thickness of insulation Snag guards prevent fabric from catching in the zipper Tuck-stitched baffles prevent threads from snagging and breaking Two-way locking zipper sliders stay in place when venting Upgrade tie-in loops stabilize upgrade liner Velcro® brand fasteners tab at zipper sliders stay in place when venting Single handed draw cords on hood and collar Insulated draft tube extends to bottom of bag and is not sewn through, eliminating cold spots Insulated zipper gusset seals in heat at bottom of zipper Nylon mesh storage sack and stuff sack included Performance-cut mummy shape is more efficient and saves weight, reducing girth at shoulder, hip & legs Conduit SL - waterproof and breathable Multi panel, contoured footbox Contoured hood forms around head to seal in heat Differential cut maintains maximum loft