With an anatomic cut-out shape and advanced technology, materials and craft, Arione R3 Open is a performance road saddle for riders who want a flat saddle profile and a cut-out to avoid pressure and numbness. 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 Large model is the wider of our two options. Arione R3 Open features a composite Carbon-reinforced nylon shell and a light, strong, corrosion-resistant K ium rail. A Comfort Core foam layer beneath the neat, durable Microtex cover provides comfort, which is enhanced by the full anatomic cut-out that avoids 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 R3 Open is light, flexible and agile. It's designed for pros, with pros and raced by pros.With an anatomic cut-out shape and advanced technology, materials and craft, Arione R3 Open is a performance road saddle for riders who want a flat saddle profile and a cut-out to avoid pressure and numbness. Open central cutaway Shell Carbon-reinforced nylon Rail 7mm k ium Cover Microtex Integrated Clip System compatible