Youth Muck Rugged II Rain Boots 664911-RG2002T The Kids' Rugged II will protect your child's feet in severe cold with the 5mm neoprene waterproof bootie insulation backed with a fleece lining. This lining adds extra insulation to keep cold out for kids that want to stay outside playing in the snow all day. California Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Youth Muck Rugged II Rain Boots