Made of a lightweight cotton blend, RedHeads Mens Cotton Low-Cut Socks come packed with features to keep your feet comfortable all day long. They boast stay-up tops for a secure fit, Achilles protection to prevent irritation, and built in arch support for enhanced comfort. Ventilation channels increase airflow, keeping feet cool. Contoured toes and heels add even greater comfort. Made in USA.Per 3 pair. Mens sizes: M(4-8.5), L(9-12.5), XL(12-15). Color: White.