With full-channel comfort and advanced technology, materials and craft, Arione R1 Versus Evo is a leading performance road saddle for riders who want a flat saddle profile and a pressure relief channel. Made for Snake riders with high body flexibility and no pelvic rotation while pedaling, the Arione is longer than any other fi'zi k road saddle, flat from nose to tail and with a narrow nose, so you can move around to find your power spot. The Regular model is the narrower of our two options. Arione R1 Versus Evo features a composite Carbon-reinforced nylon shell with Wing Flex technology which enables flexibility where your thighs meet the saddle and a light, strong, Braided Carbon rail. A Comfort Core foam layer beneath the neat, durable Microtex cover provides comfort, and is enhanced by the full-length comfort channel which reduces pressure on the rider's sensitive soft tissue and ensures that all weight is correctly supported across the whole surface of the saddle. Like all performance fi'zi k road saddles, Arione R1 Versus Evo is light, flexible and agile. It's designed for pros, with pros and raced by pros.With full-channel comfort and advanced technology, materials and craft, Arione R1 Versus Evo is a leading performance road saddle for riders who want a flat saddle profile and a pressure relief channel. Versus Pressure Relief Channel Shell Carbon-reinforced nylon Rail 7x9mm Carbon Braided Cover Light Microtex. Padding Comfort Core foam Integrated Clip System compatibe