PREPARE FOR THE BOOM: The Explosion is Columbia 300's newest release in the mid-level performance category. BLAST AWAY: The Explosion has the ultra-low RG core originally found in the Resurgence. This core has been used more than any other core for Columbia 300 due to it's versatility. A DETONATOR YOU CAN COUNT ON: The Explosion possesses all of the typical benchmark reaction characteristics, using the Reflex Hybrid coverstock with a 500, 2000 Siaair finish. POWER AT THE POCKET: Features DynamiCore outer core technology to mimic thick shell hitting power and durability. DynamiCore is Brunswick's industry leading innovation in outer core technology. 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. BUY WITH CONFIDENCE: The Explosion carries a 2-year limited manufacturer's warranty.