BLUE STORM Z2

HARDNESS:47.5 degree
FD 3 tension technology has evolved, weight reduction of the entire rubber by making the topsheet thinner. To the newly designed seat that produces rotation + speed, we combined a mid-hard sponge 0.1 mm thicker than before. "Blue Storm Z2" adopted a large bubble speed sponge. Speed ​​drive sprint, the power of the counter is exceptional.