The Classic Ultra Mini features a low shaft height for easy on-off wear. Pre-treated for durability, the design includes a signature sheepskin lining, an ultra-soft UGGplush™ insole, and a flexible, lightweight sole. Your UGG Classics may fit slightly snug at first. Due to the natural properties of sheepskin, they could gradually stretch over time and adapt to your unique fit. 17mm twinface sheepskin upper asymmetrical topline overlock stitch detailing on seams rear pull tab suede heel counter medial zipper 17mm sheepskin lining 17mm UGGpure™ upcycled wool insole or 17mm UGGplush™ upcycled wool and TENCEL™ lyocell blend insole sugarcane eva outsole woven label with the UGG® logo