This jersey was designed for those maximum speed daysin a tour de france stage where the riders cover 150km in three hours any aero mistake is amplified the sportful bodyfit speedskin short sleeve jersey uses the most aero fabrics and construction to save nearly 20 watts at 50 kmh compared to sportfuls bodyfit pro race jersey it does make some compromises for aerodynamics the high lycra content means its not instantly dry like the bodyfit pro race jersey and the stretch fabric in the ba