Rockport Women's Anna Knee-High Boot 100% Leather Rubber sole Shaft measures approximately 14 1/2" from arch Heel measures approximately 2" Platform measures approximately 1/2" Boot opening measures approximately 15" around Waterproof full-grain leather upper Hydro-Shield technology adidas adiPRENE+ and adiPRENE cushioning systems Polyurethane footbed Rubber outsole