Core: Symmetrical Gear Core

boosting power output and enhance athletic performance

528 (15# ball)

Defined Horseshoe Heel on both shoes

but is easy to remove Double thickness reduces the number of pieces needed for proper fit

OnTheBallBowling Marvel Avengers Iron Man Logos Bowling Ball SpongeBob Core: Symmetrical Gear CoreShow off your love for Marvel, and the most popular Marvel characters and Superheroes of all time out on the lanes with this awesome bowling ball! This ball is perfect for bowlers of all ages. This ball is made out of a polyester material, making it great for a wide variety of skill levels. If you are looking to have some fun while bowling, this bowling ball is the perfect option to show your love for these classic characters and have a great time