This jersey is year specific and includes an ID tag on the front tail of the garment. Jersey Number This authentic jersey will have the number 34 and 'Jackson' on it. This is the number worn by Bo Jackson with the 1987 Oakland Raiders. Quality Construction Authentic Materials. Accurate detailing. Exceptional workmanship. These are the hallmarks of all Mitchell and Ness jerseys, jackets, sweaters and felt pennants. This jersey is made of mesh. The player's number is sewn on the front, back and sleeves. The player's name is sewn on a nameplate on the back. This jersey is part of Mitchell and Ness' NFL Throwback Collection. Sleeve length is measured from top of armhole to bottom of sleeve. Size Body Length Body Width Sleeve Length 40 M 31' 21' 9.5' 44 L 32' 23' 10' 48 XL 33' 25' 10.5' 52 XXL 34' 27' 11' 56 3XL 35' 29' 11.5' 60 4XL 36' 31' 12' 64 5XL 37' 33' 12.5' Please note that me