product description

The Alpine sleeping bag features the highest quality Ultra-Dry down and a contoured mummy fit for efficient insulation. With space to cater for additional winter gear and 850+ FILL Power, this lightweight sleeping bag is best suited to extreme adventures in cold climates so you can enjoy the outdoors with confidence and peace of mind. 

KEY FEATURES:

Goose Down with Ultra Dry Down treatment for improved water resistance in damp conditions.

Premium recycled 10D Nylon's waterproof and Lower Limit-29°C | -20°F breathable features offer added protection and prevents exposure to tent wall condensation for comfort in the outdoors. 

The Free Flow Zip System has been modified by removing the footbox zip to retain maximum warmth. 

The double draft collar and draft tube enables optimal heat retention for comfort and added warmth in Arctic, cold conditions.

INSULATION: 850+ FILL Power, RDS certified, Goose Down with Ultra Dry Down treatment for improved water resistance in damp conditions

FABRIC: Recycled 20-Denier Nylon shell and lining. 10-Denier Nylon waterproof-breathable hood and footbox.

FIT: Expedition Mummy Fit: Roomy cut to accommodate you and the gear that you don't want to freeze.

ZIP: Modified Free Flow Zip System without footbox zip: Primary zip - full length #5 with zip-plow and two sliders. Secondary zip - 1/3 length #5 with zip-plow and two sliders.

BAFFLE CONSTRUCTION:  Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout.

COLLAR: Double draft collars: fitted front collar and tubular back collar.

HOOD: Generous fitted hood with two soft touch adjustments. Fits a Sea to Summit regular pillow.

DRAFT TUBE: Double, down-filled, draft tube along top and bottom of zippers.

BAG INTEGRATION:  Pairs with Women's Sea to Summit bags.

QUILT INTEGRATION: Pairs with STS quilts.

PILLOW INTEGRATION:  Sea to Summit Regular Pillow fits inside hood.