Prevent and protect: Common types of tendonitis that affect the elbow are tennis elbow and golfer’s elbow. Prevent elbow pain before it starts with the Bodyprox Elbow Sleeves with Support Strap! Premium quality: We’ve crafted our sleeves with a premium blend of nylon and spandex to give you an ultra-flexible fit and added a velcro strap along the forearm for extra support and targeted relief.