Design: Seam-sealed waterproof genuine suede and leather upper Waterproof inside zipper closure for a secure fit Soft boa snow collar for added comfort Heel pull loop for easy on and off In-Shoe Comfort: Odor-eliminating, natural and non-toxic Cleansport NXT(TM) treatment Removable, molded EVA footbed for cushioning and comfort HEAT-MX(TM) sustainable thermal insulation for warmth Moisture wicking fleece lining Lightweight, comfortable EVA midsole Durability and Traction: EDITH synthetic rubber outsole with multi-directional tread design Additional Details: -4degF comfort rating