Moxie Cycling Women's Century T-Back Jersey 83% Polyester, 17% Spandex Imported Long slimming silhouette lays close without being too clingy and stays put in Aero position Moisture transport fabric wicks away hard earned sweat Design specific ventilation points release heat for proper temperature management Built-in support bra and removable bra cups for shaping Patent pending backpaxtm Pocketing design