100% Polyester Zipper closure ??Size Tips?? Asian size may be 1-2 size smaller than US or EU; please view the size chart image before ordering. ??Reflective and Pockets ?? Four Back independent pockets,reflective strip at the back to ensure night riding safety. ??Breathable and Quick Dry?? Material: 100% Polyester; even soaking wet, the jersey will not stick in the body. ??Full Zipper?? Use of full length invisible zipper, sewing fine; Imported ink printing technology,so never worry about color fading. ??100% Satisfied??If you have any questions. Feel free to contact us and we will solve it for you in the first time.