A proprietary waterproof, breathable membrane that lets vapor out without letting water in.
A lightweight insulation that keeps you warm. Who knew charcoal bamboo could create something that keeps your feet warm? But it makes KEEN.WARM: a lightweight, anti microbial insulation that provides warmth where you need it most.
The KEEN Dual Climate Rubber outsole hardens in cold weather to bite into packed snow, all in the name of traction.
Thermal Shield Footbed
On the outside, wooly softness; in the middle, support cushioning; and inside, a thermal foil barrier to harness radiant heat. Keeps the cold out and the heat in.