The McDonald's Adult Happy Meal Grinch Socks in Blue are a new pair of crew socks featuring a Christmas theme. Made of a blend of polyester, spandex, polyamide, and cotton, these full toe socks are machine washable and suitable for all seasons. With a one-size design and unisex adult size, they are perfect for casual occasions and walking activities in the winter season. The socks showcase the iconic McDonald's Grinch branding, adding a fun touch to your holiday wardrobe.