Sorel Women's Sorellington TXT Rain Boot 100% Rubber Rubber sole Shaft measures approximately 13 1/2" from arch Heel measures approximately 1 1/2" Platform measures approximately 3/4" Boot opening measures approximately 14 3/4" around Full vulcanized waterproof rubber boot and bonded fabric around the rubber shaft Durable, multi-directional lug outsole for superb traction wet or dry Bonded frost plug for added insulation Top quality boot draws on 100+ years experience