Kids Classic Ultra Mini Platform UGG size 4 Chestnut A lofty platform sole brings kid-size drama to this wear-everywhere boot made with handy back pull-loops for easier entry. The cozy lining is UGGplush, a moisture-wicking textile made from a wool-rich blend but crafted to feel and wear like genuine shearling. Leather upper/UGGplush wool-blend lining/synthetic sole