Thank you for viewing. CK Calvin Klein Striped Men's Socks The tag has been lost and is not included. The material feels like cotton and nylon. The size is suitable for someone who wears 25.5cm shoes, as that's the size I purchased them for. Generally, men's socks in stores are usually 25-27cm. - Size: 25-27cm (I believe) ※ Please refer to photo 5 ● Although new and unused, please purchase if you understand that this item has been stored at home. ● Please refrain from purchasing if you are sensitive to details or seek perfection.