Bamboo Charcoal Cotton High Ankle Padded Socks. Breathable, Deodorant, Anti-bacterial, Soft and Highly Comfortable. Suitable for Sports and long hours standing. Free Size up to shoe size 9 Material : Cotton + Bamboo Charcoal Fiber + Spandex. The Bamboo Charcoal Cotton Socks are one of the highest quality socks. Crafted with authentic bamboo and premium-grade cotton, these socks offer its user with maximum comfort and long-lasting quality. The fibers are super breathable and offer ultimate breathability, allowing your feet to stay cool and comfortable. Revolutionize your lifestyle with these amazing socks! Bamboo, also referred to as “The Black Diamond”, is an upcoming trend in the fashion industry, as the material itself is very elastic and comforting for its user. Manufacturers heat up the bamboo at about 800 degrees, mixing it with charcoal after the process. This mixture is then blended into the fabric of the socks, providing the user with fantastic support and convenience. These bamboo charcoal socks are carefully designed and perfected to amplify the wearer’s experience! ** Due to Hygiene reason, item opened and worn are not Returnable and Exchangeable