Montrail Bivouac Boot

The Bivouac by Montrail works like a mummy sleeping bag for your feet: minimizing air movement and heat loss through a conforming fit. A waterproof outer bootie made of stretch urethane sporting rubber tread slips easily over the insulated inner. Weight: 5 oz/0.14 kg (size M) Support Like a sleeping bag for your feet Psychological support for high camp Tread on outer bootie for slippery base camps Fit Conforming fit Snug to prevent slipping Sock-like instead of balloon-like Day-dreamy footwear Design 400 g. Primaloft insulation Low profile design Waterproof rubberized outer bootie Animal Expeditions Ski huts Mountain Cabins High camps Winter hot spring sessions Road trips