SIZING INFO for RJC | Casual Notched Collar Style | Rayon (in inches) | this sizing info is intended for reference only, there could be slight variations | please contact us if you need sizing assistance. Mahalo! |SHIRT CHEST| - (S) 44 – 47 1/2 (M) 47 – 51 (L) 51 1/4 – 53 3/4 (XL) 53 1/2 – 57 7/8 (2X) 57 1/2 – 61 1/2 (3X) 62 – 65 1/2 (4X) 69 |SHIRT SHOULDER| - (S) 19 1/4 – 20 (M) 20 1/8 – 20 3/4 (L) 20 1/2 – 21 1/2 (XL) 21 – 22 1/2 (2X) 22 1/2 – 23 1/2 (3X) 23 1/2 – 24 1/2 (4X) 25 1/4 |SHIRT LENGTH| - (S) 28 1/4 – 29 (M) 29 1/8 – 30 (L) 30 – 31 1/8 (XL) 30 7/8 – 31 7/8 (2X) 31 3/4 – 32 7/8 (3X) 32 5/8 – 33 5/8 (4X) 32 1/2