KEEN.DRY
A proprietary waterproof, breathable membrane that lets vapor out without letting water in.

KEEN.WARM
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.

KEEN.DCR
The KEEN Dual Climate Rubber outsole hardens in cold weather to bite into packed snow – all in the name of traction.

THERMAL HEAT 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.