Ranger Vistamont 8" Women's Waterproof Suede Thinsulate Winter Boots, Gray & Lilac (RPW108) Combination suede and 600-denier nylon upper is seam-sealed for 100% waterproof protection Padded foam collar reduces discomfort around ankle B200-gram Thinsulate Insulation package keeps feet warm; comfort rated to sub-freezing Thick 4 mm EVA insert cushions and supports feet; EVA midsole for added comfort TPR shell for added protection against snow and deep puddles; 3-color outsole