SIZING INFO | RJC | Men | Cotton | this shirt runs small for some people >> SHIRT CHEST - [S] 44" [M] 47" [L] 50" [XL] 54" [2X] 58" [3X] 60" [4X] 65.25" [5X] 69" >> SHIRT LENGTH - [S] 28 1/2" [M] 29 3/8" [L] 30 1/4" [XL] 31 1/8" [2X] 32" [3X] 32 1/8" [4X] 33 7/8" [5X] 35 1/4" >> SHIRT SHOULDER - [S] 18 1/4" [M] 19" [L] 19 3/4" [XL] 20 3/4" [2X] 21 3/4" [3X] 24 1/4" [4X] 25 1/2" [5X] 26 1/2" >> SHIRT SLEEVE LENGTH - [S] 9 3/4" [M] 10 1/8" [L] 10 1/2" [XL] 10 7/8" [2X] 11 1/4" [3X] 11 1/8" [4X] 11 5/8" [5X] 12" >> CLOTHING CARE - for best results (cotton) - machine wash cold | gentle cycle | mild soap | line dry | cool iron | please contact us if you need sizing assistance. Mahalo!