Moderate support with zero visible lines. The Seamless Racerback Sports Bra features removable cups and full coverage in a new and improved fit - with seamless construction that stays invisible under any top. 4-way stretch polyester-spandex moves with you through yoga, barre, and light training. 96% Polyester, 4% Spandex New and Improved Fit Fitted Removable Cups Moderate Support / Full Coverage Seamless Construction 4-Way Stretch Imported (Item# LS314)