Model Height Weight Wearing Size 1 5' 9" / 175cm 143lbs / 65kg 36 2/Shown 5' 10" / 178cm 160lbs / 72.5kg 38 3 5' 11"/ 180cm 167lbs / 76kg 40 4 5' 11" / 182cm 176lbs / 80kg 42 5 6' / 183cm 189lbs / 86kg 44 Please use this info as a general guide as measurements are approximate. Size Shoulder Chest 36 19.3" / 49cm 44.5" / 113cm 38 19.9" / 50.5cm 46.5" / 118cm 40 20.5" / 52cm 48.4" / 123cm 42 21.1" / 53.5cm 49.6" / 126cm 44 21.7" / 55cm 52" / 132cm Size Length Sleeve 36 27.6" / 70cm 22.8" / 58cm 38 28.3" / 72cm 23.4" / 59.5cm 40 29.1" / 74cm 24" / 61cm 42 29.7" / 75.5cm 24.4" / 62cm 44 30.3" / 77cm 24.8" / 63cm In order to best determine fit, it may be helpful to compare our garment’s 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. Click here to check out our Garment Measuring Guide. ** If you are still confused, you can Contact Us to help you choose the size. **