The Tickle has super-soft, removable 8mm Zylex® Performance™ liners that wick away moisture and reflect body heat to ensure feet stay toasty all day. The durable 600-denier nylon uppers take the wear and tear of wintertime fun and are secured with adjustable elastic drawstrings to keep snow out. Fully waterproof Igloo molded bottoms. Deep-treaded outsoles ensure kids stay on their feet. Adjustable web straps across the fronts for easy on and off. Order next size up if wearing with heavy socks. Height: 6-1/2". Infants' sizes: 5-10. Camo pattern:Mossy Oak® Break-Up®.