Ranger Champney 9" Women's Suede Winter Boots, Beige (RPW101) Suede upper with faux fur collar prevents snow and drafts from entering the boot Removable 6 mm metallic felt liner retains heat for a comfort rating of -10 F (-23 C) Thick 4 mm EVA insert cushions and supports feet TPR shell with rubber outsole is waterproof up to stitch line of TPR shell 3-color outsole