Designed for these players who prefer a stiff bat, the Rawlings 5150 Exogrid Baseball Bat ($249) includes the revolutionary Exogrid vibration reduction technology. This passive damping system, combined with a premium synthetic leather grip, filters out harsh vibration more effectively than any previous technologies. This bat is made of 5150 alloy. But opting for a stiff bat is no longer an issue. The Exogrid from Rawling is the perfect answer to the nasty vibrational response associated with that type of bats.