SKLZ Spin Vision Baseball var_fr_Couleur_Mic Drop Bring an entirely new approach

Bring an entirely new approach to your training with a progressive

while Tuned Mass Damper technology ensures a consistent

The slip-resistant

A Wickaway nylon outer shell is used to maintain “out of box” weight throughout the game

The one-piece neoprene cuff

SKLZ Spin Vision Baseball var_fr_Couleur_Mic Drop Bring an entirely new approachFocus on the basics and improve your overall throwing technique with these four seam throw trainers. The striped ball turns purple when thrown to give instant feedback on revolutions per minute. Ball will only turn purple when using proper throwing form to promote better arm angles. Color changing design makes practicing the perfect fast ball fun for youth athletes throw after throw. While the white ball features a black rotation guide and raised