Boston Red Sox GENUINE MERCHANDISE STARTER Men's Red/Blue Baseball Jersey SIZE Large. Jersey is red front/back with blue sleeves with red and white striping. It's harder to find the alternative Red Sox Alternative Home Jerseys. RED SOX blue with white outline lettering on front of jersey. Genuine Red Sox Starter brand baseball jersey made out of 100% Polyester. Features Starter logo on right sleeve. Button down front. Jersey is in great shape with no stains or tears. No returns.