TheCastelli Aero Race 6 SS Jerseyis the sixth major revision of theAero Race Jersey,their most comfortable and aerodynamic iteration yet.Castelliengineered the first aero jersey for road racing back in 2006. Back then, aero was only for TTs and performance was mainly concerned with moisture management. EvenCastelli's aerodynamic consultants expected limited gains, so they named the jersey Split Second, though, like now, they thought even small gains were worth pursuing. In the end the gains were substantial, and they managed to revolutionize the look of the pro peloton. TheCastelli Aero Race 6 SS Jersey is now the sixth major revision of their aero jersey. Each generation has become more aero and better fitting ... More info