SIZE: LARGE size fits men US SIZE 6-8, X-Large size fits men 9-11 SPECIAL DESIGN: These bright color match keep them feeling refreshed. MULTIFUNCTINAL SPORT SOCKS: As breathable sports socks, reinforced heel and toe for enhanced durability in high-wear areas. Elastic arch design can reduce foot fatigue, hold socks on the calf and provide extra protection when doing any strenuous actions. PERFORMACE: Not only look great but are super comfortable, durable, and fit, you will absolutely like wearing them. They have popular colors which stand out from the crowd, and they can fit any sneakers or shoes well, perfect pair for everyday use and sports! MATERIAL: 35% Coolmax, 57% Cotton , 5% Nylon, 3% Spandex, extra durable and soft cushioned socks for the perfect amount of comfort and protection for kids.