The Original And Best Now Built For The West We ve redesigned our iconic Chore with a Western boot flair. The classic Muck Boot neoprene adjusts to the unique contours of your foot, making these reliable boots flexible and 100% waterproof. The rubber overlay is easy to clean while the Xpresscool lining keeps feet cool and dry. The . heel kick off and lower outsole lug protect your foot from getting caught in stirrups. These tough boots feature a new square toe and pull-on side straps reminiscent of Western boots, as well as our quick cleaning rubber sole, offering more security and durability for every job..