Nike Dry 1 2 Zip Cover Up Size:2XL XS S M L XL this polo has a XS S M L XL 2XL 3XL 4XL Chest Width 18 1 2 20 21 1 2 23 24 1 2 26 28 30 Sleeve Length 34 34 3 4 35 1 2 36 1 4 37 37 3 4 38 1 2 39 1 4 Body Length at Back 27 1 2 28 1 2 29 1 2 30 1 2 31 1 2 32 1 2 33 33 1 2 CHEST WIDTH Dri FIT moisture management system wicks sweat away from skin to keep you dry and comfortable Start at center of neck and measure down shoulder XS S M L XL 2XL 3XL 4XL Body Length at Back 28 28 3 8 28 3 4 29 1 2 30 3 8 31 1 8 31 7 8 32 5 8 Chest Width 18 7 8 20 1 2 22 23 5 8 25 5 8 27 1 2 29 1 2 31 1 2 Sleeve Length 33 1 2 34 1 8 34 5 8 35 1 8 35 7 8 36 1 2 37 1 4 38 BODY LENGTH AT BACK