Bogs Women's Zoe Boot 100% Rubber and fabric Rubber sole Shaft measures approximately 9" from arch Heel measures approximately 1" Boot opening measures approximately 12 1/4" around 100% Waterproof Hand-lasted natural rubber and a seamless four-way stretch inner bootie Low-profile heel Non-slip, non-marking and self-cleaning outsole Molded EVA sockliner with Aegis anti-microbial protection