New DonJoy Performance Medium Wrap Around Back Support Brace Adt Black Med Blue Natural Knit Synthetic Durable rubber sole provides One Size:Leather Knit Synthetic Durable rubber sole provides traction and grip Bounce midsole for responsive cushioning and all day comfort Circular knit upper for breathable form fitting technology to enhance lockdown 3 Length to Weight Ratio 2 5 8 Inch Barrel Diameter Balanced Swing Weight Generate Faster Bat Speed Improve Control BBCOR Certified Extended Barrel Design High Performance Damascus Alloy One Piece Alloy Construction enhanced comfort and variable compression levels V Tech's ventilated flow through design keeps you cool while in motion Grip tech for anti migration prevents slipping during activities ROM Tech is a pre curved design to provide full Range of Motion for maximized performance levels Exo Grid Internal's dual stabilizer inserts provide anatomically correct stability i Fit is an open panel design with adjustable fasteners providing an individualized fit