Teva Women's W Delavina Wool Ankle Boot 100% Leather/Textile Imported Rubber sole Shaft measures approximately 5.5" from arch Heel measures approximately 1" Boot opening measures approximately 10.25" around Waterproof upper A mush infused insole brings the absurd comfort of our flip flops into a shoe The upper leathers 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.