STRETCHY FABRIC: These socks are made from a blend of 98% polyester and 2% spandex, allowing the fabric to move and stretch with you as you exercise at the gym or relax on a comfortable couch at home. SIZING: The crew socks from Harry Potter fit shoe sizes 8-13 ATHLETIC CREW: These socks will keep your feet and calves comfy and cozy as you head to the gym for some exercise or relax on a cozy chair at home watching your favorite Ravencalws in the Harry Potter films. ARCH SUPPORT: These socks feature cushioned foot beds and arch compression. Wear these athletic crew socks to the gym to protect your feet through exercise or use them throughout the day for extra support. EASY CLEANING: Throw these socks in the washing machine with like colored clothes and set it to cold for easy cleaning. Avoid using bleach to keep the design bright and colorful. Tumble dry on low heat to stop the socks from shrinking. Show your school spirit with these Harry Potter athletic crew socks. The socks come in gray with blue stripes and feature a dark gray image of an eagle. The word Ravencaw is printed in black text along the arch of the socks. These socks make a great gift for Harry Potter fans.