The Blast Zone brings an updated version of bowling's first asymmetric core, the Phantom core. The Phantom core was the first core with a two-pin design and a built in Preferential Spin Axis. Combined with Activator coverstock and a 800-grit wet sand finish, the Blast Zone upgrades the Strike Zone in the Zone Asymmetric line. The Blast Zone is sure to blow your mind and Blast your competition away.
