MLB Authentic: Varo Baseball is the On-Field Supplier of Major League Baseball, and Official Bat Weights of the USA Baseball National Teams Advanced Weight Distribution: Patented advanced weight distribution technology disperses weight to the end of the bat, creating a game-like swing that improves a player’s mechanics and strengthens baseball specific muscles Cushion-Fit Technology: Rubber infused fins eliminate abrasion on the bat, safeguarding the barrel from rings and scratches Air Diffusion: Diffusing technology creates a lighter body with greater emphasis on natural wind resistance Barrel Feel: The ARC’s weight distribution provides barrel ‘feel’ through the zone, encouraging an inside path to the ball Sizing: ARC 12oz (Small) fits 2 1/4" barrel bats; ARC 12oz (Regular) fits 2 3/4" & 2 5/8" barrel bats