Made of 61% Cotton, 36% Polyester, 1% Elatane Includes 3 unique Marvel character designs Designs feature Iron Man, Spider Man, and the Incredible Hulk Cushioned, breathable, and stretchy for all-day comfort Low-cut fit which is perfect for sneakers and active wear Medium fits shoe sizes 10.5-12, Large fits shoe sizes 13-3 Power up his step with this action-packed 3-pack of Marvel Superhero sneaker socks! Featuring iconic characters like Spider-Man, Iron Man, and the Incredible Hulk, these low-cut socks are perfect for young heroes on the move. Made with soft, stretchy fabric that keeps feet comfy and supported, they are built for play, adventure, and everything in between. Whether he is saving the day at recess or chilling at home, these socks bring superhero style to every step. Size Medium fits shoe sizes 10.5-12, and size Large fits shoe sizes 13-3. Please note: Socks are not able to be returned or refunded if they have been removed from their original packaging.