Step 1: Find a t-shirt you own and lay it out on a flat surface.
Step 2: Measure across the chest from armpit to armpit.
Step 3: Compare the measurement to the chart below and pick the size that is closest. If your measurement falls between two sizes please choose the larger size to be safe.
|Size||Lay Flat Measurement (underarm to underarm)||Lay Flat Measurement (very top of shirt to very bottom)|