With an anatomic cut-out shape and advanced technology, materials and craft, Antares R5 Open is a performance road saddle for riders who want a medium saddle profile and a cut-out to avoid pressure and numbness.Made for Chameleon riders with medium body flexibility and low pelvic rotation while pedalling, the Antares is a neutral profile saddle with support and flexibility so you can move to find your power spot and maintain comfort.Antares R5 Open features a composite Carbon-reinforced nylon shell and an S-Alloy 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 riderÔÇÖs sensitive soft tissue and ensures that all weight is correctly supported across the whole surface of the saddle.Open central cutawayCarbon-reinforced nylon shellS-Alloy railBlack Light Microtex CoverI.C.S ready for bags & lightsComfort Core foam paddingRegular: 275x142mmLarge: 275x152mm