Storm Proton PhysiX Bowling Ball Twist Bowling Ball If you are looking for

If you are looking for a sole with a moderate slide

They are very durable

The bag has plenty of durable features that will allow it to stand the test of time

037 (for 15# ball)

Mesh front panel

Storm Proton PhysiX Bowling Ball Twist Bowling Ball If you are looking forStorm Proton PhysiX The Storm Proton PhysiX high performance bowling ball was designed to offer traction and hook on just about any heavy oil condition you might come across. This bowling ball is the third in the popular PhysiX line and continues the success of the Atomic core. The low RG of the core assists in producing spin on the ball and when combined with the NeX Solid Reactive coverstock this ball is unstoppable on heavy oil conditions. The