How to Choose Sleeping Bags for Backpacking
Mountain Hardwear Ultralamina +32 Sleeping Bag
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Ideal for cool—even damp—environments, this Mountain Hardwear Ultralamina 32°F sleeping bag is a solid performer that won�t weigh you down on the trail.
Shop similar productsKey Details
Fill
Polyester fibers
Temperature Rating (F)
32 degrees (F)
- Welded construction on this superlight synthetic Mountain Hardwear sleeping bag eliminates cold spots by enhancing loft
- Welding stabilizes the fill without sewing through the bag, eliminating moisture penetration points and maximizing loft
- Laying insulation in a wave shape enhances loft and increases thermal efficiency, while offset welds increase stability and loft
- Thermic Micro™ fill is warm, compressible and durable
- Performance-cut mummy shape saves weight by reducing girth at shoulders, hips and lower legs while increasing thermal efficiency
- Dual entry half-zips allow the user to sit up and cook or read while staying warm
- Comfort footbox is shaped to allow feet to rest naturally
- Face gasket and tailored hood seal in warmth
- Shoulder-level internal zippered pocket keeps eyeglasses, flashlights or other small items handy
- Nylon stuff sack and nylon mesh storage sack included
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 Mountain Hardwear 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 | 37 degrees (F) - EN |
| Tested Comfort | 46 degrees (F) - EN |
| Temperature Rating (F) | 32 degrees (F) |
| Temperature Rating (C) | 0 degrees (C) |
| Shell | Ripstop nylon |
| Insulation Type | Synthetic |
| Fill | Polyester fibers |
| Lining | Nylon taffeta |
| Sleeping Bag Shape | Mummy |
| Stuff Sack Size | 6.5 x 12 inches |
| Stuff Sack Volume | 6.5 liter |
| Gender | Men's |
