Storm Concept Backpack Mark Up Featuring a wide brush area

Featuring a wide brush area of 4

Durable and Ergonomic Red Handle

Whether you're aiming for a strike or going for a spare conversion

Here's why:

Let the legacy of the Panther live on in your collection

Storm Concept Backpack Mark Up Featuring a wide brush areaThe Concept redefines how core and cover combinations tackle challenging lane conditions, delivering a level of control and consistency that reactive balls alone often cant achieve. Its ARC Pearl Coverstock acts as both the engine and the tires, gripping the lane to create continuous, predictable motion through the pins while the Radius Weight Block keeps the ball on line without locking up. Designed for situations where bowlers traditionally reach