Hurricane 8 is specially designed to compensate the spin and speed loss of the 40+ plastic ball. The sponge of the Hurricane 8 is a hard high-density Chinese style sponge, but it is a new type with 15% more elasticity. The top sheet of the Hurricane 8 has more stickiness than Hurricane 2 Neo and Hurricane 3 Neo rubbers.
Hardness: MID, 39degree or 40degree