Designed to assist with muscle strains, contusions, from arthritis, bursitis, tendonitis, especially golfers and tennis elbow plus breathable relief for sensitive skin. The sleeve incorporates the benefits of compression, incredible flexibility to ensure superior support, maximize blood flow and oxygen consumption without compromising on quality. The sleeve uses 4-way stretchable materials for increased compression and fit w/out heat retention a great deal on improving performances. Anti-microbial, anti-odor and breathable. A must have for tennis, weight lifting, gym or as added joint stability to protect your elbow during daily activity.