The Alpine down mummy sleeping bag is designed for the rarefied world of high-altitude and arctic conditions. It features cutting-edge materials, the highest quality Ultra-Dry down, and complex construction. Expedition mummy sizing allows you to wear extra clothing, and boot liners inside the bag.

If you are going above or beyond, the Alpine is the bag you will want to take with you.

Features

ULTRA-DRY Down 850+ Loft 90% Down Cluster Premium Goose Down certified Responsible Down Standard (RDS)
Free-flow zipper system: one full-length YKK® #5 main zip and a half-length zip on the opposite side for ventilation
Expedition sizing gives you room to wear extra clothing inside the bag
Anatomically-shaped, oversized foot box can accommodate boot liners
Technical shaped hood with hidden drawcords for maximum insulation
An oversized draft collar which fits snugly around your shoulders
Internal pocket for phone / GPS / valuables
Includes lightweight Ultra-Sil compression bag and storage cell