If you’re looking for officially licensed Cat in the Hat merchandise, you’ve come to the right place! Bioworld specializes in creating officially licensed apparel and accessories, along with other cool geek products! These Cat in the Hat slippers feature a wonderful all-over character pattern. They have a non-slip sole for extra safety on hardwood and tile floors. The inner lining is a fluffy fleece, and the outer fabric is a sateen polyester. Trust us; your kids are going to love these slip-on slipper socks! These work for both girls and boys.