Men's 0F/-18C 4 season warmth with earth friendly features. Cocona Recycled liner insulated with PrimaLoft Eco all surrounded by EcoSensor recycled shell material keep you comfortable on ski tours in the Cascades or backpacking in the High Sierras. The zero-degree Nahche fits the bill for the worst Mother Nature can throw at you. Dual draft tubes ensure maximum heat retention and the ergonomic hood (with an integrated pillow pocket) makes for comfortable sleeping. Specs: Sizes Regular and long Trail Weight 4lbs 1oz Zipper Side Left Fill Weight 40oz Stuff Size 10" x 20" Insulation PrimaLoft® Eco Shell Material EcoSensor™ Recycled Liner Material Cocona™ Recycled Features: Cocona Woven Liner Fabric Compression Stuff Sack Draft Collar Dual Draft Tubes EcoSensor Recycled Shell Material Ergonomically Shaped Foot Box Expedition Jacket Hood Internal Media Pocket New Color Blocking New Shell Color Removable Pad Locks Snag Free Zipper Tracks Tricot Lined Footbox