The Easton Beast X Hybrid -10 USA Baseball bat is a balanced two-piece hybrid EXACT carbon construction and ATAC alloy design. This new DYNAMIC FEEL SYSTEM is what makes this bat the best feeling two-piece on the market. The Beast X Hybrid 019 is slightly end-loaded but maintains a balanced feel. Its ATAC, or Advanced Thermal Alloy Construction, is the foundation of the Beast X, giving it the strongest and most powerful aluminum barrel out there. With Z-CORE internal core technology combining with the ATAC alloy, the X-tended barrel design is not only the longest aluminum 2-5/8" BBCOR barrel but also has the biggest sweet spot.