Jersey Number This authentic jersey has the number 58 on it. This is the number worn by Jack Lambert with the 1975 Pittsburgh Steelers. 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 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 measurements are approximate. Mitchell and Ness Clearance Sale Browse our Mitchell and Ness Clearance Sale and get 30 50% off select Mitchell and Ness NBA, NFL, MLB and NHL throwback jerseys and jackets! Online Sports is an Authorized Online