【LIGHT WEIGHT & SKIN FRIENDLY】It is superbly low-weight so this is a cycling jersey you'll soon forget you're wearing. The high collar top protects your body skin by high UV protection (UPF 50+). 【YKK ZIPPER WITH LONGER BACK】Integrated with ¼ zip which allows the rider to adjust aeration level and elasticated waist hem gripper avoid your jersey from riding up Whether you're going fast or taking it stead.