Used DonJoy Performace Medium Knee Brace w Compression Undersleeve Black Olive Green The EXOGRID 2 utilizes SC21 Black Charcoal The EXOGRID 2 utilizes SC21 Scandium Alloy which is one of the most durable and responsive alloys on the market doubles as water bottle holder Front panel for easy decoration Front pocket for shoes or gear Durable J style fence hook Foam padded shoulder strap The all new Series 5 backpack is designed for the younger ball player and combines spacious storage and durable construction to take on the long days at the Park NO SLEEVE BOX TORN 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