USA APPROVED NEW - BEAST X -10 (2 5/8") YBB18BX10 SPEED ONE-PIECE ATAC ALLOY DESIGN SIZES: 28/18 29/19 30/20 31/21 32/22 As the #1 Bat in Youth Baseball, you can trust and expect that Easton will deliver the best performing bats in the game, and the 2017/18 Beast X is no exception. The 2017/18 Beast X -10USA bat features Easton’s ATAC alloy, an all-new advanced thermal alloy construction that creates the most powerful barrel in the game. The Beast X -10is a one-piece balanced speed design that offers a fast swing weight for more power behind the ball at contact, and the X-tended barrel design, combined with the new ATAC alloy, delivers the longest aluminum barrel, with the biggest sweet spot in the game.Loud. Powerful. Brute Strength.Are you ready to experience the Power of X?The new Beast X USA series meets the new 2018 USA Bat Standard and is APPROVED FOR PLAY IN AABC BASEBALL, BABE RUTH & CAL RIPKEN, DIXIE BASEBALL, LITTLE LEAGUE BASEBALL®AND PONY BASEBALL.