Blackberries score an A+ in our book because they're nutritious, delicious, and make a fun, fruity sock design. (They didn't score an A++ because their seeds get stuck in my teeth so...). Bamboo scores an A+++, on the other hand. Bamboo socks are breathable, anti-bacterial and anti-fungal so your feet stay comfortable and healthy. These bamboo socks feature a seamless toe for ultimate comfort. This means?this style has a minimal, ¡°barely there¡± seam designed to not irritate the toes. Bamboo rayon is soft, luxurious, breathable and antimicrobial.?Fits women's shoe size 5-10.5. Content: 57% rayon from bamboo, 41% nylon, 2%?spandex.