Men's Arctic Ice Muckboot - XF Arctic Grip A.T.Equipped with Vibram Arctic Ice tread, these boots dont loose grip when walking on slick, icy terrain. The rubber sole keeps you surefooted, and the thick neoprene and soft fleece keep your feet warm on winters worst days. Mucks stretch fit cuff keeps them snug to your legs to keep warm in and the cold out. All things a great winter boot should be. 5mm of supple neoprene lets you move comfortably and keeps you warm. Lined with a soft and cozy fleece.