Mad Science. BBCOR APPROVED. This bat almost makes you wish you stayed awake in science class. Carbon fibers come together beautifully at the molecular level to create a geodesic formation, providing maximum strength and efficiency at the bat’s surface. Genius, right? Just nod and agree. All you need to know is that the new CF5 is one of DeMarini’s lightest and strongest bats created, with the biggest sweet spot known to science. Period.