Model is 5'11"/180cm and weighs 168lbs/76kg. Wears a size L. Please use this info as a general guide as measurements are approximate. Size Shoulder Chest S 15.7" / 40 cm 37.8" / 96 cm M 16.5" / 42 cm 39.8" / 101 cm L 17.3" / 44 cm 41.7" / 106 cm XL 18.1" / 46 cm 43.3" / 110 cm XXL 18.9" / 48 cm 45.7" / 116 cm XXXL 19.7" / 50 cm 48" / 122 cm Size Sleeve Length S 8.3" / 21 cm 26.4" / 67 cm M 8.7" / 22 cm 26.8" / 68 cm L 9.1" / 23 cm 27.6" / 70 cm XL 9.4" / 24 cm 28.3" / 72 cm XXL 9.8" / 25 cm 28.7" / 73 cm XXXL 10.2" / 26 cm 29.1" / 74 cm 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. **