DonJoy Bionic Elbow Brace II The updated DonJoy Performance® Bionic™ Elbow Brace II delivers improved features from the original Bionic Elbow as an adjustable elbow brace 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 Bionic™ Elbow Brace II fits right or left elbow. 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 Sizing Chart: Measure the circumference at mid-bicep to determine the correct size: SIZE CIRCUMFERENCE SM 10″ – 11.5″ MD 11.5″ – 13″ LG 13″ – 14.5″ XL 14.5″ – 16″ 2XL 16″ – 17.5″ Items ship on the next business day after cleared payment is received. Business days do not include Saturday, Sunday or Holidays.