Khombu Womens Camden Suede Zipper Wedge Boot Suede Imported Rubber sole Shaft measures approximately 9 from arch Genuine Suede Convenient Side Zipper Insulated Faux Fur Lining, for extra warmth Thermolite Insole, to protect your feet from the cold Temperature Rated: Tested to withstand temperatures of up to -20F (20 degrees below zero)