The Classic II youth boots by UGG are a favorite, made for comfort with super-soft sheepskin and a barefoot feel. Featuring soft suede uppers, cushioning foam insole with UGGpure™ wool lining, sitting on a flexible, lightweight outsole that keeps its grip and cushion all day. These boots are built to move the way kids do – running, jumping, and whatever else they get into, with a flexible rocker-bottom shape that's perfect for all-day play. The super-light cushioned Treadlite by UGG outsole provides excellent comfort and grip.