Share the same high performance of your lightweight Double Layer design socks with your kids! Kids&'; feet stay dry, cool and friction-free. Let your little ones run, bike, or hike in the World&';s Best kids socks ever! With Kids Coolmesh II, there are no worries about cleat blisters slowing your kid down. Available in four sizes in most colors and styles. X-Small Fits Shoe Size: 6-8.5 Small Fits Shoe Size: 9-11.5 Medium Fits Shoe Size: 12-2.5 Large Fits Shoe Size: 3-6 OUR KIDS ANTI-BLISTER SOCK FEATURES Mesh panel for enhanced air flow and cooler feet Recycled Polyester fibers improve moisture management and increased durability Stabilizer Zone(TM) in arch locks sock in place Blister-Free socks - No Blisters, Guaranteed! BLISTER-FREE KIDS SOCKS FIBER CONTENT Inner Layer: 70% Recycled Polyester, 26% Nylon, 4% LycraA(R)Outer Layer: 71% Recycled Polyester, 24% Nylon, 5% LycraA(R) WRIGHTSOCK SIZING GUIDE Finding the right fit is essential for blister prevention, especially for growing kids! You can view our sizing chart. We invite you to contact us, or head to our FAQ page to find the answers to common customer questions. As an American-made, family-owned business, we thank you for choosing Wrightsock anti-blister kids socks.