Whether relaxing at home or hitting the gym, the FIRMA Energywear Invisible Tank will keep you feeling energized and comfortable while looking great. FIRMA products are made with a special fabric that contains active biocrystals at the core of every thread, which provide benefits that ‘normal’ fabrics do not. These benefits include increased micro-circulation, better thermoregulation, and even muscle recovery! FIRMA energywear products are more than just fashion – they’re functional too. The Invisible Tank is so versatile that you will find yourself wearing it at every occasion, whether it’s a day in the garden or a night on the town!