The Sitero Pro Saddle from Specialized is has been designed not only with the body Geometry Specialists, but also doctors and engineers to make sure that this saddle is the best-fitting saddle for the aerodynamic position. The outcome is this best-in-class fit, zonal design with integrated storage making this the ultimate Triathlon and TT saddle. This saddle brings next level comfort to riders of all sizes while in the aero position and uses triple density padding to further increase the comfort, especially on longer rides. The rails are ultra-light and strong, oversized FACT carbon rails and the cover is a high frequency, welded material for secure hold and a smooth pedal stroke. This saddle has been designed as a one-size-fits-all and comes in Black only.