Men's Measurements ALPHA SIZE S M L XL 2XL 3XL 4XL 5XL NUMERIC SIZE 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 CHEST SIZE 32½-34 34½-36 36½-38 38½-40 40½-42 42½-44 44½-46 46½-48 48½-50 50½-52 52½-54 54½-56 56½-58 58½-60 60½-62 62½-64 MAX. WAIST 32½ 34½ 36½ 38½ 40½ 42½ 44½ 46½ 48½ 50½ 52½ 54½ 56½ 58½ 60½ 62½