How To Measure For accurate size, match the measurement of your best fit jacket with provided measurement chart. Measure each inch and give us order accordingly. If you want relax and breathable feeling, you can go one size up. Size Suitable for Chest (inches) Jacket Chest (inches) Shoulders (inches) Sleeves (inches) Small (S) 38 ??? 40 44 18 25.5 Medium (M) 40 ??? 42 46 18.5 26 Large (L) 42 ??? 44 48 19 26.5 X Large (XL) 44 ??? 48 50 19.5 27 XX Large (2XL) 48 ??? 50 52 20 27.25 XXX Large (3XL) 50 ??? 52 54 21 27.5 XXXX Large (4XL) 52 ??? 54 56 22 28 XXXX Large (5XL) 54 ??? 58 58 24 30 XXXX Large (6XL) 58 ??? 60 60 26 32
