For the alpinist, thru-hiker or backcountry minimalist who's counting every ounce, there's no better choice to assure the kind of rest you need before a big day in the mountains.
- Patent-pending reflective layer returns heat back to your body and creates air pockets that conserve warmth, all without the bulk and weight of down and synthetic fills
- New softer fabrics bring better next-to-skin comfort and boost durability with no added weight
- Ultra-packable design offers less weight and bulk than a 1-liter water bottle
- Advanced fabrics and a tapered design have an excellent warmth-to-weight ratio
- 2.5-in. thickness, soft-touch fabrics and baffled internal structure provide unrivaled comfort, stability and support