Columbia Womens Powder Summit Waterproof Insulated Snow Boots, Winter White Imported Full length Techlite midsole for comfort and cushioning as well as greater flexibility Non-marking Omni-Grip rubber for greater traction in the most challenging winter conditions Waterproof nylon upper with faux fur trim 200 grams insulation rated -25F/-32C Removable EVA footbed with nylex cover for cushioning and comfort