Step 1) Grab your favorite fitting jersey
Step 2) Lay it out flat and smooth
Step 3) Measure your jersey’s A, B, and C dimensions
Step 4) Find your fit
The Loose Club Fit is designed to fit off your body, it allows some breathing room and is not snug. You can typically pull the zipper without stretching the jersey.
The Tight Race Fit is designed to fit close to your body and requires some stretch in the fabric to close the zipper.
If in doubt, size up.
Custom sizing is available for an extra $10.