The Classic Ultra Mini updates our most iconic silhouette with a lower shaft height, adding easy on-off and enhanced versatility. Featuring everything you love about the original like signature UGG sheepskin and a flexible, lightweight sole, it pairs with virtually anything – the styling options are endless. Treadlite by UGG Proprietary compound which increases cushioning and traction for a supremely lightweight, ultra-durable sole. SugarSole The sugarcane in our SugarSole foam allows us to reduce dependency on fossil fuels by replacing petroleum-based ethylene, absorbing 1.6 pounds of CO2 for every pound of ethylene replaced. 17mm Twinface sheepskin upper Suede heel counter, Rear pull tab 17mm UGGplush 80% upcycled wool, 20% lyocell insole or 17mm UGGplush 60% upcycled wool, 40% lyocell insole Foam footbed Treadlite by UGG outsole for comfort or SugarSole EVA outsole Textile binding made from 100% recycled polyester fibers Woven heel label with UGG logo RN 88276 This product contains real fur from sheep or lamb. Fur may be sourced from Australia, Ireland, the United Kingdom, or the United States. It has been artificially dyed and treated.