Canterbury Performance Socks with Drymax - When the rugby game begins to heat up, the Canterbury Performance Sock With Drymax gets to work. This sock features Drymax® technology, which uses two separate fiber technology layers to keep the feet dry and fresh. An Anti-Blister System prevents irritation due to the seamlessly smooth design. The arch band holds the sock in place. Foot inner layer: 100% Drymax® olefin. Foot outer layer: 94% sensura polyester/6% lycra spandex. Imported.