Miken Freak FX 700-12 Fastpitch Bat (Copper) Miken's HBF TECHNOLOGY, OUR MULTI-LAYER WALLS ARE 100% "FULLY RELEASED" FOR HOT OUT OF THE WRAPPER PERFORMANCE. OUR PROPRIETARY LAYERING EXTENDS THE BARREL FLEX WHICH RESULTS IN A 20% BIGGER SWEETSPOT. MIKEN'S ADVANCED INNER FLEX TECHNOLOGY TAKES PERFORMANCE TO THE NEXT LEVEL BY DELIVERING PRECISELY CALIBRATED HANDLE FLEX AND ENERGY TRANSFER TO OPTIMIZE BARREL REBOUND. ADVANCED INNER FLEX IS CUSTOMIZED TO BARREL SPECIFICATIONS MIKEN'S R900 CARBON FIBER PROVIDES 38.8% HIGHER TENSILE STRENGTH AND 40% HIGHER ELONGATION THAN INDUSTRY STANDARD CARBON FIBER. R900 IS PROVEN TO ENDURE GRUELING PLAY, DELIVER UNRIVALED DURABILITY AND MAXIMIZE PERFORMANCE. Miken's proprietary durashell technology acts as a composite "shield" on the outer shell of our 100% aerospace grade carbon fiber barrel, maximizing performance out of the wrapper Made In USA