SIZE - Our Cycling Jersey comes in standard US sizes. You certainly do not have to worry that you will buy an oversized shirt or a super small Bicycle shirt. Our size guide chart will help you choose just the right size DURABLE HALF YKK ZIPPER- - Top quality 12" front zipper slides easily making the shirt easy to put on and off. The zip has passed stringent testing needed to prevent it from riot cracking or getting stuck. Self Locking function ensures the zipper does not slip while riding , if you turn on the lock status MATERIAL - Made of 100% high quality polyester, this Bike Jersey is super soft, skin-friendly, lightweight and durable. The Back and Sides have an advanced breathable comb mesh fabric that enhances ventilation and provides effective moisture wicking abilities. Quick Dry, meaning you do not have to worry about sweat accumulating under the shirt making itchy and sticky. PROFESSIONAL CUT and DESIGN – Our bike shirt fits for all cyclists. The Stitching design on the back and sides allows for maximum flexibility while the waist grippers to avoid riding up. 3 Rear Pockets to ensure you have ample space for storing pump, repair tool kits, tires, phone, food or clothing for change. We’ve also added reflective stripes to keep you safe that are highly visible at night and in environments with a low lighting ONE YEAR WARRANTY - This Short Sleeve Jersey has good workmanship and stitching for enhanced longevity. We’re very confident of the quality of this shirt. In case of any zipper issues or other quality problems, please contact us and will provide you a new jersey. 100% satisfaction guaranteed cycling jersey men