Kamik Women's Portland Boot 100% Suede and nylon Rubber sole Shaft measures approximately 11" from arch Heel measures approximately 3/4" Boot opening measures approximately 12 1/2" around Waterproof suede and icebug nylon upper looks great and is durable Lightweight EVA midsole provides all-day cushioning Soft fleece lining offers a warm touch DriDefense waterproof bootie construction Kamik VENTURE rubber outsole provides great traction wet or dry