How to Choose Sleeping Bags for Backpacking
Sierra Designs Cloud 35 Sleeping Bag - Long
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The envy of all mummy bags, the long-length Sierra Designs Cloud 35 is an oversized, zipperless sleeping bag offering unrestricted freedom for any sleeping position on 3-season backcountry adventures.
Shop similar productsKey Details
Fill
800-fill-power DriDown down
Weight
1 lb. 9 oz.
Temperature Rating (F)
35 degrees (F)
- With an adjustable self-sealing foot vent, insulated shoulder pockets and a sleeping pad sleeve, hot sleepers and side sleepers alike can snooze in cloudlike comfort
- 15-denier nylon bag is stuffed with ultra-compact, responsibly sourced 800-fill-power DriDown™ and coated with a PFC-free durable water repellent (DWR)
- Patent-pending zipperless design increases comfort
- Oversized integrated comforter resembles all the comforts of your bed at home
- Insulated shoulder pocket keeps comforter wrapped around you, sealing out drafts
- Patented self-sealing foot vent allows fast and easy ventilation
- Sleeping pad sleeve keeps pad under you for comfort and warmth and replaces unnecessary bottom insulation (sleeping pad not included)
- Closeout
Imported.
Temperature ratings are intended as a guideline to help you compare products, rather than a guarantee of warmth, since many different factors contribute to your comfort while you sleep. Backpacking bags are typically rated for temperature according to an independent testing protocol—currently International Organization for Standardization (ISO) 23537, though some older items followed European Norm (EN) 13537. Testing is based on a person wearing one base layer and a pair of socks, sleeping on an insulated surface with a minimum R-value of 5.38.
Each bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
View all Sierra Designs Backpacking Sleeping BagsEach bag then gets 2 ratings: the Comfort rating is the lowest temperature at which the bag will keep the average "cold sleeper" comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep the average "warm sleeper" comfortable. Some brands determine their own temperature rating by aligning to the Comfort rating for women’s bags, to the Lower Limit rating for men’s bags, or somewhere in the middle for nongendered bags.
| Best Use | Backpacking |
|---|---|
| Tested Lower Limit | 26 degrees (F) - ISO |
| Tested Comfort | 36 degrees (F) - ISO |
| Temperature Rating (F) | 35 degrees (F) |
| Temperature Rating (C) | 2.2 degrees (C) |
| Weight | 1 lb. 9 oz. |
| Shell | 15-denier ripstop nylon |
| Zipper Location | None |
| Insulation Type | Down |
| Water-Resistant Down | Yes |
| Fill | 800-fill-power DriDown down |
| Fill Weight | 10.4 ounces |
| Lining | 15-denier ripstop nylon |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | 78 inches |
| Shoulder Girth (in.) | 62 inches |
| Hip Girth (in.) | 60 inches |
| Stuff Sack Size | 7 x 13 inches |
| Gender | Unisex |
