THE PROOF IS IN THE ROLL! The Proof is a new upper mid performance release with possibly the strongest core numbers ever in this category and an updated Prime cover that will get Track Bowling fans excited. The Proof is very strong and continuous and surprised our testers because it is usable for a long time and does not seem to want to quit, despite the strong core, cover, and finish combination.
Black / Grey Solid
500, 2000 Siaair Micro Pad
Medium to heavy oil
Strong midlane and continuation
Two years from purchase date
The Proof Pearl uses DynamiCore – the industry leading innovation in outer core technology developed by Brunswick Bowling Products. This leap in bowling ball technology is a more durable outer material that yields less compression upon impact increasing hitting power and creating an undeniable difference in sound and pin carry.