Fit, fabric and functionality. This tank top checks all the boxes.Racerback tank with blue piping at the neck and arms with a small Amomento logo at the chest. 91% Polyester 9% Spandex. 0=00 US, 1=0-2 US, 2=4-6 US, 3=8-10 US, 4=12 US, 5=14 US