Columbia Sportswear Women's Flurry 2 Waterproof Cold Weather Boot 100% Leather Rubber sole Shaft measures approximately 9" from arch Heel measures approximately 1.5" Boot opening measures approximately 13" around Waterproof suede leather with faux fur collar, Omni-Heat technology reflects natural body heat for warmth Weight: size 7 1/2 pair = 17.1oz/484g Removable EVA footbed with nylex cover for cushioning and comfort Molded nylon shank provide torsional rigidity and support, Techlite molded material provides cushion and protection in a lightweight and flexible shell Non-marking Omni-Grip rubber compound with a winter specific lug tread pattern