Defensive players are more and more looking for a variable play, thus constantly increasing their material requirements. Super Defense 40, with a relatively hard sponge, puts all the necessary instruments at the disposition of the defensive player, especially when playing disturbing actions. The rubber delivers all the energy needed to execute very fast offensive actions while keeping good control. of the defensive player, especially when playing disturbing actions. The rubber delivers all the energy needed to execute very fast offensive actions while keeping good control.