1.75 in. heel height 4.75 in. shaft height; 9.5 in. circumference Synthetic upper/plush lining. Weatherproof Technology: Waterproof & weatherproof construction help keep you dry Treaded sole for increased traction; Soft cushioned lining for warmth & comfort. Inside zipper closure for easy on/off Cold weather is no match for our super warm Darra winter boots. Made using our weatherproof technology this boot features a plush warm lining, waterproof seams and an inside zipper to protect you from the elements. Baretraps weatherproof boots feature our special waterproofing spray treatment, which offers water-resistant protection on upper materials in mild to moderate wet weather. All Baretraps products consist of a lightweight construction that won’t weigh you down and a flexible outsole that is designed to follow the natural movement of your foot while you walk.