How to Choose Sleeping Bags for Backpacking

Find your ideal balance of space and warmth. With a customizable shape, the Therm-a-Rest Boost 650 20F/-6C sleeping bag transforms from a roomy semirectangular bag to a thermally efficient mummy bag.
Imported.
Best Use | Backpacking |
---|---|
Tested Lower Limit | 20 degrees (F) - ISO |
Tested Comfort | 32 degrees (F) - ISO |
Temperature Rating (F) | 20 degrees (F) |
Temperature Rating (C) | -6 degrees (C) |
Weight | Short: 2 lbs. 4 oz. Short Wide: 2 lbs. 13 oz. Regular: 2 lbs. 11 oz. Regular Wide: 3 lbs. 5 oz. Long: 3 lbs. 1 oz. Long Wide: 3 lbs. 13 oz. |
Shell | 20-denier 100% recycled nylon ripstop |
Zipper Location | Left |
Insulation Type | Down |
Water-Resistant Down | Yes |
Fill | 650-fill-power duck PFAS-free hydrophobic down (RDS) |
Fill Weight | Short: 1 lb. 4 oz. Short Wide: 1 lb. 11 oz. Regular: 1 lb. 7 oz. Regular Wide: 2 lbs. Long: 1 lb. 10 oz. Long Wide: 2 lbs. 4 oz. |
Sleeping Capacity | 1-person |
Lining | 20-denier 100% recycled nylon ripstop |
Sleeping Bag Shape | Semirectangular |
Fits Up To (in.) | Short: 66 inches Short Wide: 66 inches Regular: 72 inches Regular Wide: 72 inches Long: 78 inches Long Wide: 78 inches |
Shoulder Girth (in.) | Short: 63 inches Short Wide: 75 inches Regular: 64 inches Regular Wide: 76 inches Long: 65 inches Long Wide: 77 inches |
Hip Girth (in.) | Short: 59 inches Short Wide: 73 inches Regular: 60 inches Regular Wide: 74 inches Long: 61 inches Long Wide: 75 inches |
Stuff Sack Size | Short: 18 x 6.5 inches Short Wide: 18 x 6.5 inches Regular: 20 x 7.5 inches Regular Wide: 20 x 7.5 inches Long: 20 x 7.5 inches Long Wide: 20 x 7.5 inches |
Stuff Sack Volume | Short: 9.8 liters Short Wide: 9.8 liters Regular: 14.5 liters Regular Wide: 14.5 liters Long: 14.5 liters Long Wide: 14.5 liters |
Compressed Volume | Short: 7.1 liters Short Wide: 7.6 liters Regular: 8.7 liters Regular Wide: 9.4 liters Long: 10.9 liters Long Wide: 10.1 liters |
Gender | Unisex |
Sustainability | Down certified to the Responsible Down Standard (RDS) Contains recycled materials |