For accurate sizing please see the sizes as shown on each individual shirt page. There is a clickable link just above the green buy now button. these sizes are accurate.
The best way to find your perfect size is to get a shirt you already own and measure across the front as shown below. then look at the sizing chart for the correct style you want to order.
It's important that you take the time to get your correct size - Your shirt will be printed to order and we do not offer free exchanges for sizing errors.