DeMarini 2014 Vexxum WTDXVXR Big Barrel Baseball Bat (-10) X10 Alloy Barrel - Fine tuning and shaping the thinnest possible barrel walls we keep the weight down and open up the sweet spot bigger than ever C6 Composite Handle -Carbon Composite design for single wall construction on Vexxum NVS; Wider weave creates trampoline effect when ball makes contact Half + Half construction put DeMarini on the map; Gives weight and fine tuning advantage over competitors so you've got the best equipment in hand