Kamik Women's Canuck Boot 100% Nylon Imported Rubber sole Shaft measures approximately 12 1/2" from arch Heel measures approximately 1 1/4" Platform measures approximately 3/4" Boot opening measures approximately 15 1/2" around Waterproof Nylon upper Seam-sealed waterproof construction Anti-microbial insole Aggressive tread keeps you confident over wintry surfaces while the bungee toggle snow collar helps keep mother nature on the outside.