Miken MV-1 Supermax Slowpitch Bat (White) 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 Mpa7 Resin System is exclusively calibrated to optimize the performance and resilience of Miken's premium carbon fiber materials Miken's multi layer biaxial technology precisely aligns and bonds filaments of premium aerospace grade 100% carbon fiber to produce unrivaled durability and 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 by Miken