Has anyone tried this new rubber yet? How does it compare to the rest of the Calibra series?
which would you choose for a backhand rubber, Boost TX or Calibra Plus?
My only concern is that Calibra Plus is extra hard, which I'm not used to..
which would you choose for a backhand rubber, Boost TX or Calibra Plus?
My only concern is that Calibra Plus is extra hard, which I'm not used to..