Top layer features 40-degree-rated Heatseeker Pro synthetic insulation for versatile use in warmer weather. Mid layer features 20-degree-rated 800 fill ProDown for superior performance in adverse conditions. The two layers can be paired to get a 5-degree bag. Down layer can be used as stand-alone quilt for campsite lounging. Large fitted hood accommodates pillows and arms-over-the-head sleepers. Anti-compression layer on back is composed of Heatseeker Pro synthetic insulation. Vaulted footbox. Compression sack is fleece on the inside so you can use it as a camp pillow. Storage sack included The bag to rule them all the patent-pending One Bag is a modular sleep system utilizing three layers to ensure maximum comfort from 5 to 40 degrees.
- Top layer features 40-degree-rated Heatseeker Eco Advanced synthetic insulation for versatile use in warmer weather
- Mid layer features 20-degree-rated 800 fill ProDown for high-level performance in adverse conditions
- The two layers can be paired to get a 5-degree bag
- Down layer can be used as a stand-alone quilt for campsite lounging
- Large fitted hood accommodates pillows and arms-over-the-head sleepers
- Anti-compression layer on back is composed of Heatseeker Eco Advanced synthetic insulation
- Vaulted footbox