Kamik Men's Snowcliff-M 100% Leather Rubber sole Shaft measures approximately 7.5" from arch Heel measures approximately 1.5" Platform measures approximately 0.5 inches Boot opening measures approximately 16" around Mens winter boots for cold weather activities Seam sealed waterproof construction Removable 200B Thinsulate and foam insulation Moisture wicking lining Padded collar and gusset tongue