Specifications:Product: cycling socksHose Height: Knee-HighGender: MENDesign advantages: non-slip, breathable, compression, sweat absorption, ankle protectionSeason: summer, autumnMaterial: 80% nylon + 15% polyester fiber + 5% spandexAbout sizeM: EU 35-39, foot length 21cm, tube height 16cmL: EU 40-45, foot length 23cm, tube height 17cmPackage contains:1 pair of cycling socksNote:1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-2cm measuring deviation due to manual measurement.