Waterproof membrane bootie construction; waterproof leather; waterproof suede. Non-wicking materials; gusseted tongue. Rip stop vamp with quilted stich details inspired by classic outdoor gear. Plush microfiber top cover soft under foot; responsive PU foot bed; EVA -foam midsole for lightweight cushioning. Rugged durabrassion rubber outsole. Aegis Antimicrobial treatment to help reduce foot odour.