I think the point is that aero should be used to denote this - tunnel tested/selected on data - as Villa-ru says, rather than fit or sizing.
I’ve got plenty of aero jerseys on a ‘1 size too small basis’.
@Chopsicle started
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I think the point is that aero should be used to denote this - tunnel tested/selected on data - as Villa-ru says, rather than fit or sizing.