Rockport Women's Finna Scrunch Fur Ankle Boot 100% Synthetic Rubber sole Shaft measures approximately 5.5" from arch Heel measures approximately 1.5" Boot opening measures approximately 11.75" around Nylon fabric provides durable protectio nand styling Flexible rubber outsole provides a durable grip on a variety of surfaces Adidas adiPrene footbed provides shock absorbent heel cushioning and resilient forefoot cushioning Snow and cold weather Low Lug Unit - 40MM Height