MIKEN MFDSTMA Freak DST Maxload Softball Bat 28 oz Brand New Miken Freak MFDSTMA DST Maxload Softball Bat Supermax endloaded for greater distance. Our 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. Multi-Layer Biaxial and MPa7 Resin System maximize sweetspot and push performance to the limits. Advanced InnerFlex Technology takes performance to the next level by delivering precisely calibrated handle flex and energy transfer to optimize barrel rebound. Advanced InnerFlex is customized to barrel specifications for maximum distance and ball speed.