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

Size	Shoulder	Chest
36	17.7" / 45 cm	40.9" / 104 cm
38	18.3" / 46.5 cm	42.9" / 109 cm
40	18.9" / 48 cm	44.9" / 114 cm
42	19.5" / 49.5 cm	46.5" / 118 cm
44	19.9" / 50.5 cm	48" / 122 cm

Size	Sleeve	Length
36	22.8" / 58 cm	26.8" / 68 cm
38	23.6" / 60 cm	27.6" / 70 cm
40	24" / 61 cm	28.3" / 72 cm
42	24.8" / 63 cm	29.1" / 74 cm
44	25.2" / 64 cm	30" / 76 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. **