New DeMarini DI13 Pro Maple™ Wood Composite Baseball Bat Grey Black Size:31 28 This product tends to run 12":Black This product tends to run big so we recommend selecting a size smaller IF you are at the bottom of the size range SUPPORTS moderate to major ligament sprains Synthetic TPU coated textile upper combines lightweight mesh with a supportive coating for superior breathability & comfort Internal bootie system hugs the foot to provide support & keep you locked in for every change of direction 4D Foam footbed reduces cleat pressure & molds to the foot for optimal comfort Flexible TPU plate with molded cleats for lightweight stability & traction Engineered with a slightly endloaded swing weight this bat delivers potent performance when you barrel up a pitch