New model for this year (Do not check this option if this model was listed as new in last year's Gear Guide)Mammut's most versatile down bag. Completely re-designed for Summer 2013, the Altitude EXP 3-Season features advanced baffling construction to eliminate cold spots, head protection from the cold, and a differential cut to save weight, improve loft and increase insulation capacity.
Construction: Advanced Baffling
Fill: Goose Down-800
Fill Weight: 580g / 520g
US Temp. Rating: +14F