NEW UGG Kids KIRBY Boot Waterproof Black Gray Charcoal Sz 4 100% AUTHENTIC. Condition is "New with box". ABOUT THIS ITEM - Waterproof cow suede - Function toggle for easy on and off - Fully waterproof and cold weather rated to -20C - Lined with fleece and uggpure wool - Flexible, lightweight molded rubber outsole DESCRIPTION Serious winter boots for serious adventurers. Made from supple suede and faux leather, The sturdy pair features waterproof construction, sealed seams, a durable outsole, and a cushioned interior. Sure to keep little feet warm and dry in any clime, they are cold weather rated to -20˚c.