Experience the ultimate in warmth and comfort with the Alpine -20F Ultra-Dry Down Sleeping Bag. This exceptional sleeping bag features RDS-certified, 850+ fill-power goose down, treated with a non-PFAS Ultra-Dry Down treatment that ensures maximum thermal performance.
The recycled 20-denier nylon shell, with its non-PFAS durable water repellent (DWR) coating, is lightweight yet robust, making it perfect for high-altitude or colder-latitude adventures. The highly breathable liner enhances comfort while the roomy expedition mummy fit provides ample space for your gear and performance clothing.
The innovative Free-Flow Zip System includes a full-length zipper paired with a half-length zipper on the opposite side, allowing for superb temperature regulation. Additionally, the technical hood and footbox, combined with generous draft tubes, maximize warmth retention during chilly nights.
With a tested lower limit of -20°F and a comfort rating of -2°F, this cold weather sleeping bag is ideal for winter camping. It weighs just 3 lbs. 3 oz. and boasts a 26-liter stuff sack volume, making it easy to transport.
Jenna Russell (verified owner) –
I recently took the Alpine -20F sleeping bag on a winter camping trip and was blown away by its warmth. It kept me cozy all night long!
Jacqueline Black (verified owner) –
This is by far the best down sleeping bag for cold weather I’ve ever used. It’s lightweight, and the design is perfect for regulating temperature.
Bradley Murphy (verified owner) –
I was looking for a cheap mummy sleeping bag for backpacking, and this one exceeded my expectations. Highly recommend for anyone heading out in the cold!