Layer up for arctic weather with our 2-Pack of Penguin Crew Socks. The thick but stretchy knit fabric has you covered in snug comfort, whether your rock 'em under trendy boots or with cozy pajamas. Plus, the bright neon adds a little whimsy to your walk (or waddle)! Crew cut. 75% cotton, 23% polyester, 2% spandex. Machine wash/dry.