Designed for pet owners & animal care professionals. 100% waterproof bootie features an insulated, one-piece upper, breathable airmesh lining, natural rubber overlays. Keeps feet comfortable from sub-freezing to 85ºF. Gathered collar stretches easily for on/off convenience, keeping out pebbles, dirt, leaves & grit. Multi-ribbed tread provides excellent traction. Materials clean up easily and are resistant to all pet-related contaminants, mud, saltwater and common cleansers. Bark color in men's/women's sizes.