Western Chief Monster raincoat is made with colorful waterproof polyurethane. Monster will keep your child dry on those rainy wet days. Western Chief Kids Monster raincoat sizing is: 2=2T, 3=3T, 4=4T, 5=4/5, 6=5/6, and 7=6/6X. This is a fun way to let your child show the monster he or she really is.