Strictly not for use during sanctioned competition

I core in it

High Quality Single Piece Knitted Upper

Simple tension adjustment

coarse weave

Storm Tropical Surge Midnight Bowling Ball ITRGTMICRO Strictly not for use duringBuilt for Front Lane Slides and Slight Hooks As part of the growing Surge bowling ball collection, this model comes with the trademark Reactor Pearl Reactive Coverstock that makes the ball slide through the front lane with no issues. The core also comes with rolls that produce that much needed higher differential. So, if youre looking for a ball that makes a great down lane reaction and creates a slight hook at the back end, this pearl reactive