All out on Performance. All in on Sustainability. VIVO is the ultimate all-rounder for players seeking a reliable balance of controllable power, spin, and a solid feel on impact. With sustainability at the core of its design, VIVO is made with recycled material. Always built to last and packaged responsibly in a paper sleeve On court, VIVO plays with a remarkable balance of power, control, and access to spin, all in maintaining a solid impact feel to suit a versatile game. Players looking for a reliable and all round shaped string with a crisper and firmer ride will love this one.