The Marmot Wind River Sleeping Bag is made for handling the kind of gnarly cold you'd expect from its namesake Wyoming mountains. The cinchable draft collar traps heat inside and the 650-fill power down is ultra toasty. The dual side zippers and footbox zipper let you regulate your temp, so you can push this bag a little further into the shoulder seasons.

650-fill Down with Down Defender – Down Defender treatment improves water-resistance in wet conditions.

Shoulder Girth – Regular 64in, Long 65in

Hip Girth – Regular 59.1in, Long 59.8in

Footbox Size – Regular 48.8in, Long 50.4in

Stuff Sack Size – Regular 9.4 x 18.9in, Long 10.2 x 18.9in

Dual Side Zippers for Easy Access

Footbox Zipper Opens for Extra Space and Closes for Extra Warmth

Recycled Shell and Lining Fabrics

Cinchable Draft Collar Prevents Heat Loss

Internal Stash Pocket