Muck Boots Arctic Ice Mid WellingtonsMuck Boots Ladies Arctic Ice Mid Wellingtons The winter can be unpredictable, but your footwear shouldn't be. That is why we've developed the Arctic Ice with Arctic Grip All Terrain. These winter high performance sport boots step up the warmth factor with 5mm neoprene inner boot layered with cosy fleece lining for ultimate warmth in extreme conditions. The outsole features Vibram Arctic Grip All Terrain; the new ground breaking sole technology