Therm-a-Rest Boost 650 Sleeping Bag: 20F Down
- BackcountryBrand site$379.95Buy
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From Backcountry
What Our Gearhead® Experts Are Saying:“This sleeping bag is a backpacker’s dream—it’s warm, versatile, and easy to customize. The WarmZip feature lets me fine-tune the shape and temperature, and the arm holes add so much livability. Plus, it’s light enough for the trail and super cozy for chilly nights.”From frosty spring mornings to crisp fall evenings, the Therm-a-Rest Boost 650 Sleeping Bag keeps us warm, comfortable, and ready for whatever the trail brings. Its semi-rectangular shape offers plenty of space to stretch out, while the innovative WarmZip™ system transforms the bag into a mummy shape, boosting warmth by up to 10°F when temperatures drop.
