Therm-a-Rest Boost 650 Size:20 Long A center-front zipper entry provides

A center-front zipper entry provides easy on and off

Passive rand offers a classic performance

A Click-Safe handle provides a solid grip that can be reversed to hold the lid and any nesting contents in place during transport

A sharpener that is simple to use

4-oz 20-denier 100% recycled polyester ripstop with a durable water repellent (DWR) finish made without intentionally added PFAS

Therm-a-Rest Boost 650 Size:20 Long A center-front zipper entry providesUltra comfy three season backpacking sleeping bag with adjustable shape and warmth. Customizable Comfort: Enjoy the spacious freedom of the semi rectangular bag or the cozy warmth of a mummy bagpick the shape and temperature that keeps you comfy at night with just a zip. WarmZip Tech: Patent pending center zipper design zips up to reduce the bags internal space and tuck insulation around the sleeper to boost warmth by up to 10F 6C. Multi Use Arm