Suitable for shoe size 6-12, sock size 9-13.Mid calf socks [DYNAMIC ARCH SUPPORT]: Arch compression adds support and stability. Smooth toe seam eliminates bulky seams to reduce abrasion and provide extra blister protection while running and playing sports [MOISTURE MANAGEMENT]: Breathable zone mesh design increases ventilation to control moisture and keep your child??s feet cool and dry during exercise [PREMIUM COMFORT FIT]: The cushioned sole gives kids a soft, padded feel. Premium material with cushioning offers shock-absorbing feature. [YOUTH ATHLETIC SOCKS]: Perfect for everyday use or sport wearing! A favorite amongst athletes from all sports including basketball, football, soccer, lacrosse, hockey, hiking, tennis, camping, running and more!