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Our Alpine Series combines our most technical sleeping bag features to deliver reliable performance while cocooning you in the highest quality RDS 850+ Loft Goose ULTRA-DRY Down.
Designed for high altitude mountaineering and arctic conditions, the contoured mummy design delivers efficient insulation, while our updated expedition sizing provides space for extra clothing to be worn inside the bag. The anatomically shaped and oversized footbox can comfortably accommodate boots when necessary.
Vertical baffles over the chest section ensure the down insulation cannot migrate or shift to the outside of the bag during sleep, creating cold spots. A side block baffle construction maintains the 60/40 fill ratio, keeping more down on the top of the bag for maximum insulation.
Our ULTRA-DRY Down water-repellent treatment protects the down from external moisture and condensation from the inside of the bag, virtually eliminating the negative effects moisture has on down. All Sea to Summit Down Sleeping Bags use Responsible Down Standard (RDS) certified down.
The Free-Flow Zip system provides a half zip on the right side of the bag to provide freedom of movement for both arms as well as additional ventilation. The full length, two-way left side zip provides easy access and extra ventilation options.
Our waterproof yet breathable NanoShell fabric provides protection from wind and moisture. The tightly sized and carefully panelled hood fits snugly around your head, allowing you to maintain maximum warmth with minimal adjustment.
An oversized zipper draft tube is fitted with the lightest and stiffest anti-snag materials for effortless operation and to prevent heat loss through the zipper.
Shell 100% Nylon, Lining: 100% Nylon, Primary Filling Material: GOOSE Down(Min. 90% Down, StFfsack: 100% Nylon excluding Trims,
EN13537 Temp Rating Comfort: -29C | -20F,
EN13537 Temp Rating Lower Limit: -40C | -40F,
EN13537 Temp Rating Extreme: -68C | -90F
SIZE VARIATION: LONG
RECOMMENDED USER HEIGHT: up to 198 CM
COMPRESSION SACK VOLUME (COMPRESSED): Extra Large (30 to 10) L
WEIGHT: 2100 G
FILL WEIGHT: 1440 G
INTERNAL CHEST CIRCUMFERENCE: 168 CM
INTERNAL HIP CIRCUMFERENCE: 150 CM
INTERNAL FOOT CIRCUMFERENCE: 145 CM
Sea to Summit design and manufacture cool and useful gear for the outdoor lifestyle. From cooking products and bags through to sleeping bags and mats, this forward-thinking company create useful products that are nimble and light enough for any adventure. Sea to Summit understand the importance of escape and take great pride in creating authentic outdoor products with a “no worries” Australian attitude.