Kamik Women's Chicago-W 100% Nylon Rubber sole Shaft measures approximately 10" from arch Heel measures approximately 1 1/2" Boot opening measures approximately 13" around Waterproof nylon upper looks great and features foam and fleece insulation for warmth Kamik Comfort footbed provides all-day cushioning Faux fur collar offers a wintry touch Fleece lining is soft and wicks away moisture Kamik CITY rubber outsole provides great traction wet or dry