Markwort SPEEDBW Speed Sensor Baseball - 9 Inch Used Bags more secure heel pocket for

more secure heel pocket for added comfort & lockdown High-rebound SuperFoam insole provides optimal shock absorption & comfort Track spike-inspired one shot plate with center spine & aggressive perimeter traction for ultimate speed

SEAM: Patented Raised Fastpitch Seam

Materials: PEVA

Extended 8-pin spike plate that provides superior energy transfer for improved take-off power

Markwort SPEEDBW Speed Sensor Baseball - 9 Inch Used Bags more secure heel pocket forThe Markwort Speedball's built in Speed Sensor begins to record the pitch speed at the moment the ball is released. Upon impact the LCD indicator displays the speed up to 120 MPH.