**Model - 6' 1", 160lbs / 187 cm, 72.5kg. Waist 32.5in. Size 15½. Relaxed fit.** Please use this info as a general guide as measurements are approximate. Size Shoulder Chest 14½ 18.1" / 46 cm 42.5" / 108 cm 15 18.5" / 47 cm 43.3" / 110 cm 15½ 18.9" / 48 cm 44.9" / 114 cm 16 19.3" / 49 cm 46.5" / 118 cm 16½ 19.7" / 50 cm 48" / 122 cm 17 20.5" / 52 cm 49.6" / 126 cm 17½ 21.3" / 54 cm 51.2" / 130 cm Size Sleeve Length 14½ 23.2" / 59 cm 29.9 " / 76 cm 15 23.6" / 60 cm 30.7 " / 78 cm 15½ 24" / 61 cm 31.5 " / 80 cm 16 24.4" / 62 cm 32.3 " / 82 cm 16½ 24.8" / 63 cm 33.1 " / 84 cm 17 25.2" / 64 cm 33.9 " / 86 cm 17½ 25.6" / 65 cm 34.6 " / 88 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. **