velour Shaft measures approximately 5.5" from arch COMFORTABLE HIGH-QUALITY MATERIAL - Our BEARPAW Krista features a 1.5 inch tall Slim Tread Wedge blown rubber outsole for superior cushioning and has been treated with our NeverWet technology. COZY SHEEPSKIN & WOOL BLEND LINING: Our 5.5 inch shaft height Women's Krista 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: BEARPAW Krista's durable lightweight blown rubber outsole makes this 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!