Dr Comfort Merry Jane Socks are designed to keep your feet healthy. Their smooth-seam construction reduces the risk of unwanted friction that can lead to calluses. Anti-microbial odor control and nano bamboo charcoal fibers help keep your feet dry, which prevents infection. And because they're non-binding, they don't inhibit your circulation. Dr. Comfort Merry Jane Socks are available in white and black. Features Non-Binding Top Nano Bamboo Charcoal Fiber Padding in Heel and Forefoot Y Toe Gore Eliminates Bunching Anti-Microbial Odor Control Size Women Shoe Size Small 5 to 7 Medium 7.5 to 9.5 Large 10.5 to 13