UGG’s Fuzz Sugar Cross sliders are made from an ensemble of sustainable materials, including upcycled wool, recycled leather and renewable SugarSole™ foam outsole. Curly plush cream wool lines the footbed and crossover uppers. They rest on a contrast platform sole. Upper/Lining: Upcycled Wool/ TENCEL™ Lyocell. Midsole: Recycled Leather/Recycled Polyester. Sole: SugarSole™.