BRAND NEW Mizuno RB Tour golf balls 3-Dozen pack (36 golf balls). Mizuno has created a new tour-category premium golf ball with the RB Tour. The Mizuno RB Tour features 4-layer construction designed to give golfers professional level performance through the air. *4-piece tour golf ball *Mid-High compression rating at 93 *Urethane cover for a soft feel and greenside spin *Mizuno's 330 C-Dimples maximize aerodynamics *Lower compression and spin compared to RB Tour X Can usually ship same day.