Material: Our athletic no show socks are made of 71% cotton, 27% polyester, 2% spandex. Soft to touch. Comfortable & Durable. Size: Our Athletic No Show socks are available in SMALL: Fit Women Shoe Size 4-7. MEDIUM: Fit Women Shoe Size 7.5-9.5 / Men Shoe Size 6-7.5. LARGE: Fit Women Shoe Size 9.5-11.5 /Men Shoe Size 7.5-9. X-LARGE: Fit Women Shoe Size 11-13 /Men Shoe Size 9-12. These comfortable socks are designed to provide the perfect level of lightweight breathable. Ideal for athletic including dancing ,body-building,yoga,running, hiking, camping, mountain biking, and other indoor & outdoor activities . Non Slip: Lightweight Sweat Absorbent No Show Socks lined with silicone grips ensure a no-slip fit while you work out your hardest. Holds socks in place for a worry free day. Low cut design makes them completely invisible in boat shoes, loafers and athletic shoes. Both for outdoor and indoor activities, spring and summers seasons. Elastic Arch Support: A broad elastic arch support in the arch keep the sock in place. Stay comfortable all day long with these high quality No Show Liner Socks. Hand crafted, high performance Ultralight No Show running socks are lighter and thinner to provide a true minimalist running feel. Best Running Socks for Women: Whether you enjoy running, walking, cycling, spin class, gym fitness, hiking, or just lounging in comfortable socks at home, these strategically designed socks offer wonderful comfort and support. Hand crafted, high performance Ultralight No Show running socks are lighter and thinner to provide a true minimalist running feel. We not only provide you a pair of crew socks for women,but also sending you a comfortable ,fashion,healthy and easy way of living. 100% Satisfaction: With our Superior Customer Service and 100% money back guarantee, we do our best to deliver an excellent customer service and your satisfaction is our top most priority. If you’re not satisfied with our low cut no show socks, just return it within 30 days for a full refund. Any question, feel free to contact us and we will reach you asap.