The winter can be unpredictable, but your footwear shouldn't be. That is why Muck Boot Co. developed the Arctic Ice AG. These winter high-performance sport boots step up the warmth factor with 5mm neoprene inner boot layered with cozy fleece lining for ultimate warmth in extreme conditions. The stretch-fit top-line binding keeps the boots snug to your legs to keep cold air out and warm air in. The outsole features Vibram Arctic Grip the new ground-breaking sole technology specifically engineered to perform on wet ice. Vibram Arctic Grip is the most advanced cold weather gripping system Vibram has ever created; now you can tread on the iciest of pathways with confidence.