Hi-Tec Women's Altitude Glide Waterproof Light Hiking Boot 100% Leather Rubber sole Shaft measures approximately 4 1/2" from arch Heel measures approximately 1" Platform measures approximately 3/4" Boot opening measures approximately 9" around Female-specific last Board lasted with steel shank for added rigidity and support Waterproof construction Moisture wicking lining Ultralightweight rustproof hardware