New DeMarini DI13 Pro Maple™ Wood Composite Baseball Bat Grey Black Size:31 28 Thigh to foot benefit from Navy Violet Thigh to foot benefit from increased blood circulation due to targeted compression Technology Increases blood flow for a faster and more complete recovery Specialty yarns featuring seaweed and zinc help aid in recovery and provide extended comfort Anatomical 3D knitting design at toe and heel provides enhanced comfort protection Hdc moisture management Technology is all about cool and dry 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 Large sized barrel this bat delivers potent performance when you barrel up a pitch