The North Face Adapta Dual-Climate winter boot has two layers for comfort inside and outdoors. When you get to your destination, the seam-sealed waterproof exterior layer zips off to reveal a cozy indoor liner bootie. The liner bootie has 200 and 400 gram zonal synthetic insulation and a light rubber outsole for traction when worn alone. The North Face Adapta A1LC exterior boot is made with waterproof synthetic suede and moisture wicking ballistic mesh. The sole compression-molded footbed will keep your toes warm and happy on even the longest treks to and from the office. Worried about slippery conditions? The North Face Adapta Dual-Climate boot has a durable temperature sensitive rubber outsole for increased traction in the ice and snow.