New DonJoy Performace Medium Knee Brace w Compression Undersleeve Black Medium:Black Large perforated padding and vented Medium:Navy White Red Large perforated padding and vented shins help the player's legs breathe The DeltaFlex™ harness pre crosses the straps to keep the back of the knee free and prevent the leg guards from shifting The adjustable D3O® knee pad and ergonomic shin pads help keep knees healthy and eliminate bruising The full wrap around shins and triple knee design cover all the gaps preventing any foul tips or spikes from making direct contact LENGTH:16 Maximize Your Performance Training mask conditions lungs by pulmonary resistance to strengthens the diaphragm Designed to increase surface area and elasticity in alveoli 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