MID Baseball/Eat Em Up Zip Up9 ounce 50 50 combed ring spun cotton polyester Size Chart Model is 6'2, 165lbs wears a Large. Another Model is 5'11, 190lbs wears a Large. Female model is 58, 145lbs wears a Medium. XS S M L XL 2XL 3XL 4XL Chest 19 1 2 20 1 2 21 1 2 23 24 1 2 26 28 30 Body Length at Back 26 1 2 27 1 2 28 1 2 29 1 2 30 1 2 31 1 2 32 32 1 2 Sleeve Length from Center Back 34 1 2 35 1 4 36 36 3 4 37 1 2 38 1 4 39 39 3 4 Chest: Measured across the chest one inch below