Rawlings 2020 Velo ACP USSSA Baseball Bat Series (-10)First EVER bat with accelerated carbon Performance (ACP) to create the lightest swing weight possible, The vela ACP USSSA Youth Baseball bat ( 10) features 2 inches of carbon composite to give it that ultra light feel and a new profile Created for hitters AGES 8 to 12, this two piece composite bat is crafted of Ultra light carbon fiber making it perfect for hitters at the top or bottom of the lineup Great barrel flexibility and loud pop off the bat