- Capsule HARRY POTTER - Ecru jersey T-shirt for boy - Round neck, long sleeves - Harry Potter snake visual and embroidered maxi letter M - Topstitching on shoulders, armholes, cuffs and lower bust - Straight fit - IKKS #actforbetter: material contains 100% Organically grown cotton A future Slytherin at heart? That's what this T-shirt, decorated with a snake and a maxi 'M'... like Malfoy, suggests.