Find your ideal balance of space and warmth. With a customizable shape, the Therm-a-Rest Boost 650 20 Degree Down Sleeping Bag transforms from a roomy semirectangular bag to a thermally efficient mummy bag.
- Made of GRS-certified, 100% recycled, soft-to-the-touch nylon & coated with PFAS-free water repellent
- As a spacious semi-rectangular sleeping bag provides all the room you need to side sleep
- Patent-pending center zipper design zips up to reduce the bag’s internal space
- Multi-use arm holes make it easy to reach the WarmZip, read, make coffee, or play cards
- 650 fill, RDS-certified down is hydrophobic to help keep you dry in inclement weather
- YKK anti-snag zippers, cinchable hood, zipper draft tube, puffed draft collar, and a two-way entry zipper
- Manufacturer limited lifetime warranty against defects in materials and workmanship
