Size Does Matter

1) Measure your torso circumference just below your chest muscles. This can be done with a fabric tape measure or a piece of string and metal tape measure.

NuMetrex™ Cardio Shirt Sizing Chart
  M L XL
rib cage below pecs (in) 36-38 38-41 41-44

2) If this is not practical, use the following chart, and if your height and weight fall on a sizing border, we would recommend going to the smaller size for maximum performance.

Men's Cardio Shirt size chart