One Size Fits Most: 16.5" long socks, suitable for men's shoe sizes 5-9 and women's shoe sizes 6-10. Please check whether your shoe size is suitable for the socks before placing an order. High Quality & Not Easy to Deform: Our socks are made of high-quality cotton, which is comfortable, durable, and has strong ductility, so they are not easy to deform after wearing for a long time. Comfortable & Breathable: Our socks are made of soft and breathable material, so you won't feel uncomfortable or stuffy even if you wear them for a long time. Suitable for Various Scenarios: Exquisite patterns and personalized slogans, suitable for wearing in various occasions, such as home, office, school, gym etc. Thoughtful Gift for Dad: Whether it's for Father's Day, his birthday, Christmas, or just because — these socks are a small gift with a big heart.