One size free size The socks suitable for europe size 39-46, US size 7-12, Suitable for foot length 24-28cm These performance knee high sports socks have reinforced high heel and extended toe to add comfort and longer sock life! RECOMMENDED FOR ALL LEVEL ATHLETES AND TRAINEES - Breathable mesh and high elastic fiber plus the unique design make these socks able to prevent shin splints, cramps, Achilles issues, fatigue, micro muscle tears and blisters during game or practice! These professional performance knee high sports socks have reinforced high heel and extended toe to add comfort and longer sock life! Breathable material and high elastic fiber plus the unique design work together to make these socks able to prevent shin splints, cramps, Achilles issues, fatigue, micro muscle tears, blisters and blood clots during long game or practice! The top portion of the red socks has orange tone in it and is not just red as the bottom portion. Welcome to our store! Item type: Men Socks Material: nylon Colors: White, red, green, blue, black, sky blue, pink, orange Size: One Size (approx.) Suitable for: adults Conversion:1 inch=2.54cm(approx.) Style:Fashion & Casual Package Include :1Pair x Men Socks, 2Pair x Men Socks Tips: 1.Due to the measurement of different size may exist 1-3cm error. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.