Description: The Glow In The Dark Plantlife Socks are jacquard knit pattern socks by HUF. Established in 2002 by professional skateboarder Keith Hufnagel. Made by skateboarders, for skateboarders, HUF represents not only a more refined forward-thinking skateboard brand, but also any individual inspired by the vast array of countercultures that parallel skateboard mentality. Features:90% cotton, 9% polyester, 1% spandex. Jacquard knit pattern. Double layered heel and toe. Leaves glow under ultraviolet light. Plantlife design.