The Spike P1 is a classic defensive pimples for the ambitious and tech savvy defender.The possibilities of variation and enormous undercut balls are guaranteed due to the ribbed nubbed surface. Even with a low sponge strength, cutting changes and a rotation-rich defense game are possible. The rubber was developed in close cooperation with Wang Xi, top player of TTC Fulda-Maberzell and one of the world's best defensive players.Medium-hard sponge pad, Elastic nubs rubber compound, extremely much undercut,suitable for classic defense game,good offensive possibilities.