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

Size	Shoulder	Chest
M	18.9" / 48 cm	43.3" / 110 cm
L	19.3" / 49 cm	44.9" / 114 cm
XL	19.7" / 50 cm	46.5" / 118 cm
XXL	20.5" / 52 cm	48" / 122 cm
XXXL	20.9" / 53 cm	49.6" / 126 cm

Size	Sleeve	Length
M	23.6" / 60 cm	23.6" / 60 cm
L	24" / 61 cm	24.4" / 62 cm
XL	24.4" / 62 cm	25.2" / 64 cm
XXL	24.8" / 63 cm	26" / 66 cm
XXXL	25.2" / 64 cm	26.8" / 68 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. **