"The Champion CSX X731 elbow support has been engineered to withstand the demands of the elite athlete. No detail was overlooked to reach the goal of providing a seamless blend of comfort, durability and unsurpassed functionality, all in a sleek contemporary design. Advanced low-profile design that's created to provide temporary relief from mild sprains and strains, or for weakness due to previous injury, repetitive motion or over-exertion. We've added our easy-on, easy-off finger pulls technology that provides customized support to the wearer. Advanced comfort-mesh panel materials prevent bunching for a comfortable fit. Provides even compression over all of the anatomical prominences in the elbow joint while helping to permit continued activity and prevent re-injury. Used for Tendonitis, bursitis, arthritis, medical and/or lateral epicondylitis (tennis / golfer's elbow), mild elbow pain. Closed cell foam material offers moderate protection against bumps and bruises. CSX brand (model X731) elbow brace. Used for Medial and/or lateral epicondylitis (tennis or golfer's elbow). Perfect for the gym, tennis, golf, basketball, volleyball, marathons, baseball, ski, board, running, athletic Sports, flight travel and cross fit. Measure around the forearm to the widest point. Can be worn for mild sprains and strains, or for weakness due to previous injury, repetitive motion or over-exertion. Provides even compression over all the anatomical prominences of the elbow joint while helping to permit continued activity and preventing re-injury. Perforated breathable neoprene and lycra mesh wicks away moisture. Excellent for light sports and exercise activity. Ideal for those individuals trying to take their performance to the next level by inhibiting muscular action that can lead to pain or weakness during light sports and exercise activity. Measure around the bend of the elbow. Small (9-10 inch), Medium (10-11 inch), Large (11-12 inch), X-Large (12-13 inch)"