Button closure, Dry-comfort, Breathable, Moisture Wicking. All player name and numbers are stitched or printed. Athletic cut & exquisite stitching not easy to fall off. Let us help you design your personalized style jersey. Our baseball jersey are professional sports fabrics, dry-comfort, breathable. Our letters and numbers are all embroidered or printed, neatly crafted and never fall off. All sizes are US sizes, please check carefully before placing an order. We are UNABLE TO ACCEPT RETURNS/EXCHANGES ON CUSTOMIZED ORDERS unless the products is damaged/defective upon arrival, or if the Customization is different from what you entered when placing your order. Since your order will not display your size information! Please confirm your size carefully before placing your order!