The Crocs Echo Wave Clog in 'Black Sand' offers a futuristic look with digitally-inspired sculpting and texture, seamlessly merging the upper with the sole. It features the comfortable LiteRide footbed and is made of lightweight, waterproof Croslite™ material. The "Black Sand" color is a versatile shade of dark gray with subtle yellow details visible through the perforations, enhancing ventilation. Its ergonomic shape and contoured footbed provide cushioning and long-lasting comfort.