The Cavallo Cute Little Boot is just that - cute! Made from a heavy duty, industrial grade 1680 Denier nylon upper, with an exclusive patented front opening system for ease. Complete with side draining slots to allow water to enter and exit, and air to circulate. Includes reflective logos for safety, and a replaceable velcro closure system. Sizing: M2 - 62-72mm wide, and 72-82mm long. M3 - 73-82mm wide, and 83-92mm long.