New DonJoy Performace Small Knee Brace w Compression Undersleeve Black Small:Black Means Faster Swing Speeds black yellow Means Faster Swing Speeds creates the perfect pocket release giving you more velocity on your shot 2Shot sidewall allows for multi color heads in 9 stock colors All Around perfection mixed with ridiculous shot power Spec: HS This is unstrung and Head only Silicone web technology helps absorb shock and shift loads from the painful area of the knee Dual Axis hinges work with the web for improved fit and articulation Compression molded back pad with mesh for maximum comfort and breathability Undersleeve with stash pocket and anti migration technology Reflectivity for enhanced visibility in low light conditions