Rubber sole Shaft measures approximately 12 inches from arch Boot opening measures approximately 12" around COMFORTABLE HIGH-QUALITY MATERIAL - Our BEARPAW Retro Elle Women's 12-inch classic suede boot features our new slimmed down construction, combining a refined shape with the great fit BEARPAW is known for. COZY SHEEPSKIN & WOOL BLEND LINING: Our 12-inch shaft height Women's Retro Elle Slip On Boot features a sheepskin and wool blend lining that regulates body temperature to keep your feet warm. The sheepskin comfort footbed provides additional softness and reduces foot fatigue. DURABLE OUTSOLE FOR INDOOR & OUTDOOR USE: The BEARPAW Retro Elle's durable lightweight blown rubber outsole makes this women's boot the perfect indoor/outdoor choice. NEVERWET TECHNOLOGY: Treated with NeverWet technology that is designed to withstand up to 40 wash cycles and still provide strong water resistance. This added feature for the elements is perfect for rainy or snowy days!