Zipper closure ? ??HIGH QUALITY MATERIAL??:100% Polyester kids cycling jersey is quick-dry.Soft mesh fabric wicks quickly away moisture and keeps you dry. UPF rating of 50+ .(So please do not worry about Skin abrasion .Just Enjoy the Riding ). ? Jersey made of polyester with fashionable design, not only COOL but also COOL!Shorts with 3D pad to keep comfort during cycling. ? Material: Jersey 100% Polyester, Shorts 90% Polyester 10% Spandex. ? Full length hidden zipper. Longer back hem for extra coverage. ? Suitable For boys,girls Cycling,Biking,Hiking,Mountain Bicycle And Other Outdoor Sport Activities.