Sea to Summit
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Alpine -20 Sleeping Bag
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$899.00
RDS-certified, 850+ fill-power goose down with a non-PFAS Ultra-Dry Down treatment for maximum thermal performance,Recycled 20-denier nylon shell with non-PFAS durable water repellent (DWR) is light and durable,Hood and footbox have a highly water-resista
About this product
Gear up for high-altitude or colder-latitude adventures with the Sea to Summit Alpine -20F down sleeping bag. It offers ample space for gear, and the zip system provides ventilation and versatility.
Features
- • RDS-certified, 850+ fill-power goose down with a non-PFAS Ultra-Dry Down treatment for maximum thermal performance
- • Recycled 20-denier nylon shell with non-PFAS durable water repellent (DWR) is light and durable
- • Hood and footbox have a highly water-resistant, breathable fabric for extra moisture protection—ideal for bivys or snow caves
- • Highly breathable liner for enhanced comfort
- • Roomy, expedition mummy fit provides plenty of space for you, your performance clothing and gear you don't want to freeze
- • Free-Flow Zip System features a full-length zipper with a half-length zipper on the opposite side for excellent temperature regulation
- • Technical hood and footbox, efficient mummy shape and generous draft tubes on the zippers maximize warmth retention
- • Sea to Summit Guarantee is offered for the Lifetime of this sleeping bag
Specifications
| Best Use | Backpacking |
|---|---|
| Tested Lower Limit | -20 degrees (F) - ISO |
| Tested Comfort | -2 degrees (F) - ISO |
| Temperature Rating (F) | -20 degrees (F) |
| Temperature Rating (C) | -29 degrees (C) |
| Weight | 3 lbs. 3 oz. |
| Shell | 100% RCS recycled nylon (hood and footbox non-recycled 10D nylon) |
| Zipper Location | Left/Right |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 850+ fill-power goose down |
| Fill Weight | Regular: 3 lbs. 3.5 oz., Long: 3 lbs. 10 oz. |
| Sleeping Capacity | 1-person |
| Lining | 100% RCS recycled nylon |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | Regular: 72.5 inches, Long: 77.5 inches |
| Shoulder Girth (in.) | Regular: 62 inches, Long: 66.9 inches |
| Hip Girth (in.) | Regular: 58.7 inches, Long: 62.6 inches |
| Stuff Sack Volume | 26 liters |
| Compressed Volume | Regular: 12.6 liters, Long: 14 liters |
| Gender | Unisex |
| Sustainability | Down certified to the Responsible Down Standard (RDS), Contains recycled materials |
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