Bogs Women's Taylor Dahlia Boot 100% Rubber and textile Rubber sole Shaft measures approximately 10 1/2" from arch Heel measures approximately 1" Platform measures approximately 1" Boot opening measures approximately 13 1/2" around Waterproof Natural hand-lasted rubber with a four-way stretch inner bootie Non-slip, non-marking and self-cleaning outsole Removable molded EVA sockliner with Aegis anti-microbial protection Comfort rated from temperate to -40F