Butterfly Tenergy 64 FX Rubber strong Sriver FX combines the traditional

Sriver FX combines the traditional Sriver rubber surface with a softer

Affording a 165-degree range of motion in the sleeves

paired with superior blue sponge rubber

meticulous attention to detail goes into the design and production of YONEX Feather Shuttlecocks to ensure distance stability under the varying environmental conditions of international play

enable dynamic topspin play with heavy rotation

Butterfly Tenergy 64 FX Rubber strong Sriver FX combines the traditionalTenergy 64 FX Rubber Similar to Tenergy 64, but a softer sponge layer, Tenergy 64 FX is the ultimate attacking rubber for players who prefer a softer feel at impact. Powered by Spring Sponge Technology and with more distance between the pimples, Tenergy 64 is the fastest of the Tenergy rubbers and offers more flexibility and a softer touch, enabling powerful and precise attacking strokes from mid distance. Spring Sponge Technology is produced by the