Shop RIOS1931 Waterproof Watch Bands and Synthetic Watch Bands. The straps in this section are crafted from premium synthetic materials and water resistant leather. These straps will pair perfectly with sport watches and are designed for use during outdoor activity, all-day-wear in hot climates, and in or around water. Styles include Carbon Fiber, Kevlr, Synthetic, Rubber, Silicone, and Genuine Leather. Each Watch Band is expertly crafted by RIOS1931 in Germany.