Brunswick Ultimate Defender Bowling Ball Type_Kids With the heavy duty frame

With the heavy duty frame and hardware

COVERSTOCK – Prime Response Pearl

Help with preventing blisters and soreness on your thumb

there is no outer core on these balls

Core Name: ZigZag Asymmetric

Brunswick Ultimate Defender Bowling Ball Type_Kids With the heavy duty frameBrunswick Ultimate Defender Bowling Ball Brunswick Ultimate Defender is the newest version of Brunswick Defender with a little change in the Coverstock finish making it a bit more aggressive ball for bowling. The bowling power in this ball is a little more than the previous release to give you a bit more continuation at the backend followed by a sharper turn. The ball is one of the Brunswick's Urethane balls with 2 years of Urethane and Reactive