1. It has good flexibility， fit the body curve， thereby reducing in riding high wind resistance， also has the sun， cold， and so on. Summer sun， wearing cuff is better than use sunscreen effect， and there's no sunscreen hot and greasy feeling; Age season the weather is cool in the morning and evening， wear will be warmer.<br />2. According to the characteristics of the principle of human body engineering and the cycling sports， using 3 d stereo clipping， create professional， reasonable， comfortable， fashionable cycling jerseys