Sweat-Wicking Performance: 78% Polyester, 25% Spandex. lightweight fabric front zip sports bra with enhanced performance design offers wicking for moisture management. Wirefree, zip up sports bra built in padding with quicky dry, cool and comfortable feel for a long lasting. Easy-On & Easy-Off: No matter how sweaty you get while working out, front zip sports bra with automatic locking zipper closure makes it easy to take off, add 5 hiding hooks for extra security and getting easier to zip up. Non removable molded cup individually encapsulates each breast - lifting, shaping and supporting them from all sides.