Slippers by UGG AustraliaAscot are the most popular men's UGG slippers, they feature a premium espresso suede upper and they are lined with luxurious wool and complete with molded rubber outsole. - Premium suede - Fully lined with UGGpureâ„¢lining - Rubber outsole - Leather used is Leather Working Group Leather (LWG Gold Rated) (32.79%) - Utilizes Repurposed Wool (22.63%) - 66.5% sustainable