Men's Ankle Socks-10 pairs-size large Size 9.5-13 (US) We use the softest, most durable cotton, link the toe seam with a special knit stitch to get rid of that annoying bump across the top, and add in a growth guarantee for good measure. If your little one grows out of these socks within the next year, we'll send you a pair the next size up free of charge. Features Blister Tab Cushioned Footbed Seamless Toe Y-Stitched Heel Honeycomb Arch Support Extra-Long Staple Cotton Smoke-free home