Zipper closure ?NOTE ON THE SIZE -Moxilyn Flagship Store is the only authorized store of the Moxilyn brand.Cycling jersey tag size is Asian size,that runs one smaller than US standard.We recommend one size larger to buy,that means if you wear US L please choose Asian XL.You can also purchase according to the size chart. ?MOISTURE-WICKING & QUICK DRY -Bike shirts material: 100% Polyester, whenever you’re sweaty the jersey never adhere to your skin, It has a quick-dry feature which makes you feel more comfortable.This mountain bike shirts is suitable for men and women. ?LIGHTWEIGHT BUT DURABLE -Lightweight material with good workmanship and stitching,guarantee the daily use. This cyclist’s jersey is suitable for all levels cyclists, which includes road biking and mountain biker.This cycling clothing is highly durable. It is designed with skin-friendly materials. This is the best gift to give to those cyclist and they will very much value it ?CONVENIENT DESIGN -Three convenient REAR POCKETS (with elastic closures) for storing essential gears,energy bars etc. keep you cool during cycling time.Reflective strips on the back of bike shirt make it safer to ride at night ?100% SATISFACTION GUARANTEED -We can guarantee top-level quality and good design. If the size unsuitable issue or zipper, Please contact us freely we will provide new one.?Moxiyn promises to the customer that if you order directly from Moxilyn, we guarantee that it will be shipped from China within 3 days and will be delivered within 5-14 days. If you do not receive it on time, we will give you a full refund. Moxilyn provides the best customer service.