Sole material Polyurethane Shaft height 5 Shaft circumference 9.25 Inches Outer material Leather About this item 1.5 in. heel height 5 in. shaft height; 9.25 in. circumference Synthetic upper. Weatherproof Technology: Water-resistant and weatherproof construction help keep your feet dry Treaded sole for increased traction; Soft cushioned lining for warmth and comfort. Outside zipper closure for easy on/off Description The Baretraps Wyoming cold weather boot has a cozy style that will keep you warm all winter long. Our Stay-Dry System technology will keep your feet your feet protected while cute accents like a asymmetrical faux fur cuff, water resistant calf suede upper and a lug styling with a cushioned insole will keep you comfortable all day.