Please use this info as a general guide as measurements are approximate.

Size	Shoulder	Chest
S	18.1" / 46 cm	40.9" / 104 cm
M	18.5" / 47 cm	42.5" / 108 cm
L	19.3" / 49 cm	44.1" / 112 cm
XL	19.7" / 50 cm	45.7" / 116 cm
XXL	20.1" / 51 cm	47.2" / 120 cm

Size	Center Back Length	Sleeve
S	40.6" / 103 cm	23.2" / 59 cm
M	40.9" / 104 cm	23.6" / 60 cm
L	41.3" / 105 cm	24.0" / 61 cm
XL	41.7" / 106 cm	24.4" / 62 cm
XXL	41.7" / 106 cm	24.8" / 63 cm

In order to best determine fit, it may be helpful to compare our garments measurements to a similar garment you already own. Lay your garment on a flat surface and take all measurements from the outside of the garment.

to check out our Garment Measuring Guide.

** If you are still confused, you can to help you choose the size. **