Key Features: Our fastest ever jersey, proven at the pinnacle of bike racing Same specification as worn in competition by EF Pro Cycling athletes Refined construction for superior fit and functionality Using Italian-made Clima fabric for maximum aerodynamic gains Added breathability to keep you cool in the hottest conditions Low-cut collar and mesh pockets Super-engaged fit for full speed ahead How To Wear: Mild to hot conditions : 18–32ºC / 64–90ºF We recommend a short sleeve or sleeveless base layer for optimal performance Fit: Engaged on-bike fit for maximum aerodynamics and zero drag. Compressive and flexible for high-tempo training and race conditions.