DonJoy Performance Bionic Elbow Brace II DonJoy Performance Bionic Elbow Brace II is adjustable with dual hinges for medial/lateral ligament support. Limiting the range of motion, the Elbow Brace II can help manage elbow hyperextension and elbow instability while helping to protect the medial/lateral ligament. This elbow brace is constructed with neoprene for breathability when in motion and quick, adjustable straps help to limit extension and provide a secure fit when on or off the field. The Features and Benefits of the DonJoy Performance Bionic Elbow Brace II . Perforated neoprene for increased breathability . Elbow crease cutout for a functional and comfortable fit . Adjustable X-straps helps prevent hyperextension . Removable hinge for easy cleaning . Adjustable bicep cuff with stretch webbing circumference strap for a secure fit . Sleeve design for easy application and athletic fit . Hex Silicone banding helps to reduce slippage Buy DonJoy Performance Bionic Elbow Brace II Sizes Available: Small - XXLarge Measurement taken at mid bicep Small 25-29cm Medium 29-33cm Large 33-37cm XLarge 37-41cm XXLarge 41-45cm