Please carefully read the size info before purchase! Different products have different size info. Please use this info as a general guide as measurements are approximate. Model - 5' 10"/ 159lbs, 178cm/ 72.5kg, size M. Size Chest Length S(34-36) 29.5" / 75 cm 25.0" / 63.5 cm M(38-40) 31.5" / 80 cm 25.8" / 65.5 cm L(42-44) 33.5" / 85 cm 26.6" / 67.5 cm XL(46-48) 35.4" / 90 cm 27.4" / 69.5 cm XXL(50-52) 37.4" / 95 cm 28.1" / 71.5 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. **