With a nod toward the nautical, Slipknot boasts deep blue stripes and soles of bright yellow and blue. A nice surprise when you slip off your shoes! Each pair of Slipknot Hooray Socks is made of high-quality combed cotton — are soft, comfy, and made to last. Crew length, 75% combed cotton, 23% polyester, 2% spandex. Machine wash cold. Do not iron. Lay flat to dry. All Hooray Socks are unisex by design.