No Harry Potter fan’s clothing collection is complete without this long-sleeve t-shirt. The embroidered text across the front displays the incantation, “Mischief Managed”, which hides the secrets of The Mauraders Map. This t-shirt’s long-sleeves will keep you warm during the brutal winters at Hogwarts. These t-shirts are also made from a poly-cotton fabric which provides comfort as well as durability. You can become the ultimate Harry Potter fan with this long-sleeve tee.