The Fi'zi:k Men's Antares R3 Versus Evo Road Bike Saddle is a performance road saddle for riders who want a medium saddle profile and a pressure relief channel. The Antares is a neutral profile saddle with support and flexibility so you can move to find your power spot and maintain comfort. It features a composite Carbon-reinforced nylon shellwith Wing Flex technology which enables flexibility where your thighs meet the saddle 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-length comfort channel that reduces pressure on the rider’s sensitive soft tissue and ensures that all weight is correctly supported across the whole surface of the saddle.