SIDI Fast Rain 2 Boots The low-height SIDI One Rain Boots are a jack of all trades. With a waterproof and breathable barrier to the elements, integrated internal protection and super durable Technomicro and Cordura construction, the One Rain Boots have all the necessities for every-day riding. Sidi One Rain UPPER: Microfiber micro techno and synthetic fabric LINING: Lined with Raintex®, water resistant material bonded to soft knit fabric. sOLE: nonslip rubber sole TECHNOLOGY: zipper and velcro front padding lightly padded ankle insole nylon removable arch support.