Model is 5'10"/ 178cm and weighs 159lbs/ 72.5kg. Wears a size 38. Please use this info as a general guide as measurements are approximate. Size Shoulder Chest 36 18.5" / 47 cm 40.9" / 104 cm 38 19.3" / 49 cm 42.9" / 109 cm 40 19.7" / 50 cm 44.9" / 114 cm 42 20.3" / 51.5 cm 46.9" / 119 cm 44 21.1" / 53.5 cm 48.8" / 124 cm Size Sleeve Length 36 23.2" / 59 cm 25.2" / 64 cm 38 23.8" / 60.5 cm 25.8" / 65.5 cm 40 24.4" / 62 cm 26.4" / 67 cm 42 25" / 63.5 cm 27" / 68.5 cm 44 25.6" / 65 cm 27.4" / 69.5 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. ** ◄FAQ Haven't found the answer you are looking for? Take a look at our Frequently Asked Questions or Contact Us.