Yonex Arcsaber light 2i Equipped with ISOMETRIC Technology YONEX Arcsaber light 2i is equipped with Isometric frame technology in which racket frame shape is kept as isometric shape. Isometric is a Tread mark technology by YONEX which is designed to give extended sweet spot. With Enlarged sweet spot, player gets more opportunities to hit off center shots without compromising the shot power. Latest Material Technology Nanoair Spring Nanoair Spring is a latest racket material in which resin binds the carbon fibers so that nanoscale air bubbles. This type of material helps the racquet to flex and bend as in a spring results into better transfer of energy from string-bed. Finally, Player gets maximum energy transfer and extremely power smashes.