Teva Women's W Delavina Low Wool Mid Calf Boot 85% Leather/15% Textile Imported Rubber sole Shaft measures approximately 7.75" from arch Heel measures approximately 1" Platform measures approximately 0.25 inches Boot opening measures approximately 11" around Waterproof leather and wool upper A medial zipper lets you get in and out quickly An adjustable ankle strap gives you a custom fit A mush infused insole brings the absurd comfort of our flip flops into a shoe The upper leathers on this shoe come from a leather working group (LWG) certified tannery, which means that our suppliers have been held to the highest environmental standard in the leather industry