Want to have a more efficient workout recovery, prevent swelling and inflammation, reduce injury risk? Our Iron Joc Compression Sleeves are just what the doctor ordered. Made from state-of-the-art yarns with our proprietary hybrid antimicrobial odor-fighting technology that’s guaranteed for the life of the sleeve. Super wicking yarns for cooling comfort. Durable construction that offers consistent, comfortable compression our sleeves are perfect to wear anywhere from the gym to the airplane. 90% polyester/10% spandex. NO LOGOING.