Harry Potter is the story of good versus evil. A young wizard pitted against the crafty and wicked Voldemort. This shirt is an officially licensed Harry Potter embroidered Slytherin crest polo shirt with Slytherin tie. Each student at Hogwarts is sorted into a house based on their traits and skills. Slytherin is the snake, so.... The polo shirt is made of 50% Polyester, 50% Cotton. Short sleeve. The tie is 100% Polyester. This shirt is listed in Junior's sizing.