The Muck Boot Muckster II Ankle Boot boasts slipper-like comfort that any child can quickly pull on and slip off. Totally waterproof, the 4mm neoprene upper keeps feet warm on cool, rainy days. The breathable PK mesh lining ensures that feet stay comfortably dry in hot, wet conditions. The high-traction rubber outsole offers excellent slip resistance over a variety of unpredictable terrain. Comfort range: 0° to 65° F. Medium width. Imported.