OLUKAI Kamuela - Men's Comfort Boots Leather Upper: Naturally weather-resistant antiqued waxed nubuck, and Dri-Lex? microfiber synthetic suede lining. Footbed: EverFit contoured footbed with Dri-Lex microfiber synthetic suede cover. Removable and washable. Outsole: All-weather rubber outsole with full-grain leather foxing and non-marking rubber traction pods. Features: Wide ankle opening and roomy toe box, embossed Polynesian Moko art detail, and embossed leather tab detail.