The outsole on this product is either a SugarSole™, a responsible compound using sugarcane foam that allows us to reduce our reliance on fossil fuels by replacing petroleum-based ethylene, or a Treadlite by UGG™ outsole. Treadlite by UGG™ is an exclusive compound that increases cushioning and traction for an extremely lightweight and ultra-durable sole. Made with responsible materials. Were on a journey toward a more regenerative world. Were working to find ways to reduce our environmental footprint. This product contains at least 40% in weight of recycled, renewable, regenerated or certified natural materials and helps reduce our environmental impact. To learn more, please visit /UGG.com/Purpose SugarSole™The sugarcane in our SugarSole™ foam allows us to reduce our reliance on fossil fuels by replacing petroleum-based ethylene, absorbing 1.6 pounds of CO2 for every pound of ethylene replaced. Suede upper UGGbraid made from 70% recycled polyester, 30% rayon or UGGbraid made from 100% recycled polyester UGGplush™ 10 mm 80% upcycled wool, lining 20% ​​TENCEL™ Lyocell or UGGplush™ 10 mm 60% upcycled wool, lining 40% TENCEL™ Lyocell 10 mm UGGplush™ 80% recycled wool, 20% TENCEL™ Lyocell insole or 10 mm UGGplush™ 60% recycled wool, 40% TENCEL™ Lyocell insole EVA midsole EVA outsole made from sugarcane or Treadlite by UGG™ EVA outsole Textile binding made from 100% recycled polyester fibers 1.75 platform height Logo UGG® heat-embossed RN 88276