Adult XL Oakland Athletics CUSTOM (Any Name/# on Back) Major League Baseball Cool-Base V-Neck Jersey Oakland Athletics Majestic V-Neck Offical Major League Baseball Licensed Authentic On-Field Jersey. Cool-Base Technology Keeps Players Cool & Comfortable. Striped Rib Trim on V-Neck and Sleeve Cuff. Full Athletic Cut with Pro Length Hemmed Apron Tail. Custom (Any Name/Number on Back) or Blank Back Blank Back