Combat Adult Maple Composite Baseball Bat The new hybrid design combines 100% hard maple wood barrel, with the latest composite handle for outstanding durability. This -3 drop adult bat is BESR certified. The bat is a P72 pattern with a grip finish on the handle. The bat is legal in NCAA compitition and all associations allowing non-wood bats and most associations requiring wood bats only. The adult bat's length is 32" and weighs 29 oz.