firmer design of the Robby's Plus

Soles: Universal Soles

The Cyclone Torque core is surrounded by a GB 11

You can carry your gear with a comfortable strap

This bag is the perfect holster for your bowling weapons

Columbia 300 Dynamic Swing Bowling Ball Select Weight:16 lbs. firmer design of the Robby'sColumbia 300 Dynamic Swing Columbia 300 is introducing the Dynamic Swing Hybrid by bringing back a modified version of the Full Swing core. They paired this popular core with the ERT Hybrid coverstock with a dull finish to dominate medium to heavy oil conditions and provide a strong midlane and backend reaction. Color: Black Caramel White All colors do vary somewhat from the picture shown Core: Modified Full Swing Coverstock: ERT Hybrid Finish: 500,