New Louisville Slugger Prime One Gray 12 Senior League Baseball Bat 2 3 4 Size:31 19 Techfit textile and synthetic upper White Blue (Tye Dye) Techfit textile and synthetic upper is engineered for natural 2D Barcode located on base of tee links to video drills highlighting the proper way to use the tee along with challenging drills for the advanced player Light weight and breaks down for easy transport Patented crisscross 5 point design Develops hand eye coordination and a quick bat Teaches correct hitting fundamentals Teaches the hitter to use the whole field Teaches correct contact points for inside Its New VCX Technology gives players Control of Vibration & A Unique Feel 2 3 4 Inch Barrel Diameter