2XU Recovery Compression Socks - Men'sFeaturing PWX Power fabric for gradient compression, the 2XU Recovery Compression Sock enhances circulation in your legs to help your muscles recover quicker from intense running. Footbed and heel are designed to provide excellent arch and Achilles support, allowing everyday use. Heel and toe padding cushions feet for comfort. Venting panels increase airflow so your feet stay cool and dry. Antibacterial treatment minimizes odor. UPF50+ sun protection. 72% nylon/28% spandex. Imported.