Smartwool Youth Light Hiking Socks - It's easy to bring your kiddos on all of your favorite hikes when they have the right gear. Designed to fit perfectly in kids’ shoes without adding unnecessary bulk Sizing clearly indicated on the sock Flat knit toe seam for additional comfort Elasticized arch brace for secure fit 58% Merino Wool 40% Nylon 2% Elastane Style: SW001490