**Model - 5' 10", 160lbs / 178 cm, 72.5kg. Size L.** Please use this info as a general guide as measurements are approximate. Size Shoulder Chest M 18.1" / 46 cm 43.3" / 110 cm L 18.5" / 47 cm 44.9" / 114 cm XL 18.9" / 48 cm 46.5" / 118 cm XXL 19.3" / 49 cm 48" / 122 cm XXXL 19.7" / 50 cm 49.6" / 126 cm Size Sleeve Length M 24" / 61 cm 27.2" / 69 cm L 24.4" / 62 cm 28" / 71 cm XL 24.8" / 63 cm 28.3" / 72 cm XXL 25.2" / 64 cm 29.1" / 74 cm XXXL 25.6" / 65 cm 29.5" / 75 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. **