Shop Mens's at RalphLauren.com, the Official Site of Ralph Lauren. Athletic Tech Crew Sock 3-Pack - This three-pack of athletic crew socks is designed with added arch support, a breathable mesh knit top, a seamless toe, and wicking properties. Ribbed cuffs. Our signature embroidered pony accents one cuff of each pair. 97% nylon. 3% spandex. Machine washable. Imported.