It is the green and silver House at Hogwarts School of Witchcraft and Wizardry, in the famous Harry Potter series by author J K Rowling. Slytherin is known for its cunning, resourceful and ambitious members and was founded by Salazar Slytherin. With a snake as its icon, famous members include Draco Malfoy and Severus Snape. Novels in this series include Harry Potter and the Philosopher's Stone, Harry Potter and the Chamber of Secrets, Harry Potter and the Prisoner of Azkaban, Harry Potter and the Goblet of Fire, Harry Potter and the Order of the Phoenix, Harry Potter and the Half Blood Prince and Harry Potter and the Deathly Hallows.
Includes

Knee high socks in house colours
Digital print pattern with house emblems on front
This is an officially licensed Harry Potter product