**SIZING NOTE** Measure at the largest part of your chest while wearing a shirt. Take that measurement and add 2-3 inches and then choose the size from the chart below. If your waist is larger than your chest measurement and you want to be able to zip up your jacket, you will need to take your waist measurement. Jackets are normally about two inches smaller in the waist than the chest size. So take your waist measurement and add 2-3 inches to that and use the size chart below to figure out your size.