Reviews : Material: 100% Polyester Cool Base ® technology is made with interlocking moisture-wicking fabric for a lightweight, breathable feel Tagless neck label and transfer locker tag Athletic modern fit Twill applique lettering will be used to customize your jersey Center back neck MLB silhouetted batter patch Jersey cannot be customized with a player's nickname and number Full or left chest official logo printed tackle twill decoration Personalize this jersey with your name or nickname and favorite number across