Waterproof leather and a grippy rubber sole make little feet ready for any weather in a rugged cold-weather boot with fluffy wool circling the shaft. The lining and cuff are crafted for soft, cozy comfort with faux-fur and UGGpure, a textile made entirely from wool but crafted to feel and wear like genuine shearling. Style Name: UGG Butte Ii Waterproof Winter Boot (Toddler, Little Kid & Big Kid). Style Number: 5572754 1. Available in stores.