It is a -11 and is a 2 piece bat that is a full composite

One-Piece Bat Construction

Innovative SpeedForm

Compression fabric supports large muscle groups to reduce muscle pulls and fatigue

CE certified - Spring-loaded side pads utilizing Curv composite and PORON XRD foam provide greater customization for improved fit Occipital lock Titanium construction for lightweight play

New Other Louisville Slugger Exogrid 3 30/21 Senior League Baseball Bat 2 5/8" 30/21:red/black It is a -11 andThe ExoGrid 3 is one of the most innovative bats ever created. Using AC21 Scandium Alloy known for its durable and responsive nature, the metal is trimmed into a grid like pattern on the handle and replaced with carbon composite inserts, this giving the ExoGrid its name, is several times stronger than the metal that was originally there providing an intense durability. The ExoGrid design helps to lower M. O. I resulting in lower swing weights and