Official introduction:Medium pore sponge, innovative light sponge technology. 42.5 degrees sponge, the softest of the blue storm. Blue Storm Big slam, the fifth version becomes
The finale of the entire series. For the early players who liked the sound of fast glue, this version belongs to the soft category and is a good alternative.
The ultra-thin, high-tension rubber surface, combined with the innovative light sponge technology, ensures a superb feel.