The perfect slipper bootie for sweater weather, the snuggly Skylar features a rib knit upper with a hook-and-loop closure, making it easy to take on and off. The inside is finished with 100% recycled polyester, which has been treated to be anti-odor. The microfiber outsole features a slip-resistant rubber print.   Vamp and shaft textile is made with 50% recycled polyester fibers, 20% polyester fibers, 20% nylon fibers, and 10% RWS wool fibers upper Hook-and-loop closure Textile lining made from 100% recycled polyester fibers with anti-odor, Lining incorporates peppermint-based anti-odor treatment Microfiber outsole with slip-resistant rubber print Woven heel label with UGG® logo, Embossed UGG® logo SIZE & FIT These are made in 3 sizes with approximate age in months noted. Size             Age 0/1          0-6 Months 2/3         6-12 Months 4/5        12-18 Months