The Pluto is a fantastic kid’s snow pant with a waterproof and breathability rating of 15,000mm/10,000gm made to keep your child warm and comfortable whether they are playing in the snow, tobogganing or starting out on skis.. Made from a sturdy nylon taslon fabric and 80g of insulation, these pants also come with removable braces, articulated knees and stretch boot gaiters.