Muck Boot Men's Arctic Ice Waterproof Rubber Winter Boots - Made for extreme conditions, specifically engineered to deliver grip and performance on wet ice. 8 mm CR Flex-Foam neoprene 100% Waterproof Exceptional comfort, flexibility, shock absorption and heat retention Neoprene adjusts to your foot's contour to resist chafing Tough, flexible Spandura adds protection against wear Improved midsole for better support Soft fleece lining enhances comfort, superior warmth and durable Vibram Arctic Grip outsole pods deliver the most advanced traction on wet ice Vibram Icetrek full base layer provides the highest level on traction on dry ice Multi-directional outsole lug design offers excellent traction on multi-surface terrain Rear pull on loops for easy on and off Shaft circumference: 17in Boot height: 16.13in Style: AVTVA