Ugg's W Classic Ultra Mini New Heights boots in chestnut feature a suede upper and 17mm UGGplush lining made from 60% upcycled wool and 40% TENCEL Lyocell. They have a 10mm sheepskin insole and a Sugarcane EVA or Treadlite by UGG EVA outsole. The textile binding is made from 100% recycled polyester fibers, with the UGG logo heat-embossed. Style #1158311-CHE.