Boost 650 Sleeping Bag

$169.98~~$339.95~~

Product Details

The Boost 650 Sleeping Bag from Therm-a-Rest is a comfortable choice for warmer-weather backpacking, designed with an adjustable shape and warmth to help you get a good night's rest on the trail. A compression sack is included for easy packing.

Adjustable shape and warmth let you customize the bag to your preferences.
Available in Regular and Long sizes, with temperature ratings of 20 and 32 degrees.
Color options include Morning Blue and Meadow Green.
Compression sack included for convenient transport.

Customer Reviews (4.7 / 5 · 3 reviews)

Michael ★★★★★ Nov 4, 2026

Stayed warm enough on a chilly June night at about 8,000 feet, and the adjustable shape let me loosen the footbox when it got stuffy. Packs down smaller than my old bag too, which my shoulders appreciated.

John ★★★★★ Nov 3, 2026

Took this out for three nights in the Rockies and slept better than I do at home. The adjustable shape let me cinch it down when the temp dropped, and it packs small enough to cram into my 40L without a fight.

Isabella ★★★★☆ Nov 5, 2026

The adjustable shape made it easy to get comfortable even when I was tossing around on uneven ground. Only gripe is it's a bit bulky to stuff down small, but for warm-weather trips it does the job.