OPTIMAL COMPRESSION: Our baseball and softball arm sleeves are designed to provide light, premium compression to players' arms to help increase blood flow to the muscles, optimizing performance and recovery during practice and games. REDUCE INJURY: Franklin Sports arm sleeves help dampen muscle vibrations during the throwing motion, aiding in injury prevention and supporting overall arm health. SECURE FIT: Each arm sleeve features a thick elastic band and silicone grip ring at the top, ensuring a secure, comfortable fit that stays in place during action and reduces the need for constant adjustments. LIGHTWEIGHT + MOISTURE WICKING: Made with lightweight, moisture-wicking fabric, these arm sleeves keep players cool and comfortable on the field, even during the most intense games while also providing 50+ UVA and UVB sun protection SLEEVE PAIRS: These arm sleeves are sold as pairs and come with (2) sleeves included, so players can wear one on each arm or have an extra sleeve on hand for double headers