94% Polyamide, 6% Elastane Imported Hook and Eye closure Hand Wash Only Three section cup plus side panel for forward shape, good uplift and separation Unique non compression design offering bust separation, shaping and the ultimate in support Microfiber wicks moisture away from skin Moveable J-hook fastening allows back to be converted to a racer back Energise is refreshed and rebooted with a clever j-hook, offering a choice of straight straps or a racer back look for all of your active needs.