Yonex DUORA Rackets
Yonex DUORA series is the first to introduce the unique Dual Optimum System gives each racket two contrasting profiles. One side features a box frame for dynamic power while the other side is more aerodynamic for increased speed. The racket is made of Nanometric DR, a lightweight graphite that is normally used for aviation. The advanced composition of the racket not only makes it more durable, but provides increased repulsion.