Growing Socks Baby Boys" Socks, Jungle, 4-Pack: * Socks that grow as kids" feet grow * Care: machine wash cold inside out in cold water; tumble dry low; use only non-chlorine bleach when needed * White with animal: 62 percent cotton, 21 percent nylon, 13 percent polyester, 2 percent spandex, 2 percent rubber; other: 69 percent cotton, 20 percent nylon, 6 percent polyester, 3 percent spandex, 2 percent rubber