New Other Easton SL14S310B 31 21 S3 Alloy Senior League Baseball Bat 2 3 4" 2016 Dynamotion Groove and new Dynamotion A0502FP115 11.5in LHT Blk Yllw Dynamotion Groove and new Dynamotion fit D Flex (Diagonal Flexible) Groove in the mid foot area allows the player to turn at maximum speed and power by efficiently transferring natural body movement and shift in direction PoWnCe: Power + Bounce = PoWnCe a revolutionary light weight mid sole material for increased rebound and cushioning that is lighter than it's predecessor the Lightning RX 3 Anatomical Cup In Sole designed to anatomically fit the bottom of your foot this classic style features a stretch waistband with a drawcord for adjustability The concept is simple: Help players hit for power These bats feature lighter length to weight ratios