Khombu Womens Jambi Tall Riding Winter Boot Synthetic Imported Rubber sole Shaft measures approximately 14.1 from arch Water Resistant Side Zipper, for easy on and off Insulated Faux Fur Lining, for extra warmth Thermolite Insulated Insole, to protect from cold feet Temperature Rated: Tested to withstand temperatures of up to -20F (20 degrees below zero)