Styles in this collection are designed with an elastic closure and functional wood button that has been laser-etched with our original UGG? logo. Suede heel guards have signature UGG? label.Insole: Cushy foam for extra comfort. Covered with a genuine sheepskin sock that naturally wicks away moisture and keeps your feet warm and dry.Outsole: Comfortably light and flexible molded EVA bottom with a patent protected outsole design.