The OS1ST Thin Air Performance No Show Socks are a performance essential that will elevate your workouts while keeping your workouts cool and protected. These lightweight socks are made of a nylon blend fabric with Skin Thin™ technology that provides maximum airflow design so you can maintain consistency in your performance without sacrificing comfort. They feature anti-bacterial properties and lift bars for additional max airflow so you can feel light on your feet all day. Perform at your best with the OS1ST Thin Air Performance No Show Socks.