Built to excel on winter ski tours and in frigid camping conditions, our most efficient 4-Season mummy cut features a center front zip, making it ideal for back and side sleepers.

Materials

• 800+ Fill Power Goose Down Insulation
• 100% Tier 1 Recycled 22 Denier Polyester Fabrics
• Diamond Ripstop Shell; Ripstop Lining
• Waterproof-Breathable Pertex® Shield Eco Hood and Foot Protection

• Overstuffed draft collar, secondary draft tube around face opening, and double draft flaps on the main zip seal out the cold
• Center-front zipper with top snap for venting is always easy to reach and prevents a hard pressure point when sleeping on your side
• Single pull cinch on the snug-fitting SkullGlove™ hood for ease of adjustment
• Arid Zones™ with Pertex® Shield Eco waterproof-breathable fabric at the head and foot of the bag protect against condensation in critical areas
• 6"/15 cm stretch baffle spacing, differentially cut with 7"/18 cm total loft
• Dependable YKK® zipper with reversible slider backed by snag-resistant guard on draft tube
• Vertical and horizontal chambers and baffles optimize down distribution for maximum warmth
• Internal and external hang loops for drying and storing
• Upgraded with 100% Tier 1 Recycled shell, lining, Arid Zone™ and stuffsack fabrics
• Premium 800+ fill power goose down - the loftiest fill power sustainably harvestable
• Waterproof recycled nylon stuff sack and breathable cotton storage sack included

Specs

Winner of the 2010 Backpacker Magazine Editors Choice Award.