LaCrosse Women's Hixon 12 Inch Snow Boot 100% Rubber Rubber sole Shaft measures approximately 11" from arch Heel measures approximately 1.25" Platform measures approximately 0.50" Boot opening measures approximately 15.5" around 4mm insulating neoprene upper Waterproof LaCrosse Alpha Construction Fleece-lined With premium, hand laid rubber over an insulating neoprene sock, LaCrosse offers snowy functionality in a cute look.