Bogs Women's Classic High Winterberry-W 100% - 70% Neoprene, 30% Natural Rubber Imported Rubber sole Shaft measures approximately 12.75" from arch Heel measures approximately 1" Platform measures approximately 0.5" Boot opening measures approximately 13.5" around Dual-textured rain boot featuring asymmetric opening and dual pull handles Constructed with 7mm waterproof Neo-Tech insulation to keep your feet comfortable to -40F DuraFresh bio-technology activates to fight unwanted odorsDual-density contoured EVA footbed