Water-friendly faux nubuck leather upper and footbed. Wrapped nylon toe strap made from regenerated Econyl nylon fibers. Soft REPREVE recycled polyester jersey lining with memory foam padded upper with seam details. Multi-layer offset midsole and foamed rubber outsole with laser grip grooves for improved traction. Available in men's sizes: 5,6,7,8,9,10,11,13.