The outsole of this product is either a SugarSole outsole, which is a responsible compound using sugarcane foam that allows us to reduce dependency on fossil fuels by replacing petroleum-based ethylene, or a Treadlite by UGG outsole. Treadlite by UGG Proprietary compound which increases cushioning and traction for a supremely lightweight, ultra-durable sole. Suede upper UGGbraid detailing 17mm UGGplush 80% upcycled wool, 20% TENCEL Lyocell lining or 17mm UGGplush 60% upcycled wool, 40% TENCEL Lyocell lining 17mm UGGplush 80% upcycled wool, 20% TENCEL Lyocell insole or 17mm UGGplush 60% upcycled wool, 40% TENCEL Lyocell insole Foam footbed Sugarcane EVA Outsole or Treadlite by UGG EVA outsole Textile binding made from 100% recycled polyester fibers Heat-embossed UGG logo NEW IN BOX GUARANTEED AUTHENTIC THESE ARE A YOUTH SIZE 4 5 WHICH FIT WOMEN'S SIZE 5.5-6 and 6.5-7 PLEASE NOT YOU WILL RECEIVE A BOX WITH A YOUTH SIZE ON IT!!!!!!!!