Men's Measurements ALPHA SIZE S M L XL 2XL 3XL 4XL NUMERIC SIZE 34 36 38 40 42 44 46 48 50 52 54 56 58 60 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 MAX. WAIST 32½ 34½ 36½ 38½ 40½ 42½ 44½ 46½ 48½ 50½ 52½ 54½ 56½ 58½ RG - LENGTH 30" LEG INSEAM WITH STANDARD LENGTH TORSO, HEIGHT 5'7" - 5'10" LN - LENGTH 32" LEG INSEAM WITH LONGER LENGTH TORSO, HEIGHT 5'11" - 6'3"