Mizuno RB Max Golf Balls - Optic YellowMizuno RB Max Golf Balls Optic Yellow The Mizuno RB MAX in Optic Yellow finish is an entirely new ball for Mizuno combining a Tour ball's speed and launch characteristics with a more durable cover. Created using a new DualCore with a soft inner to enhance feel, with a firmer, resilient outer, allowing greater energy transfer. The RB MAX also features Mizunos AXIALFLOW dimple to reduce drag for enhanced distance and penetration through the wind. 336