Boston Red Sox MLB Officially Licensed 100% Cotton Crewneck (Name & Number on Back) Adult XL 100% Cotton Boston Red Sox Majestic Official Major League Licensed Replica Jersey Blank Back or CUSTOMIZATION with Name and/or Number on Back 100% Cotton Crewneck T-Shirt Official MLB Uniform of Youth & Adult Baseball and Softball Leagues (Little League, Pony, Babe Ruth, etc) Customization Ordering Info: Please contact us through Amazon with the Name and/or Number you would like on the Back.