The WP4®+ Wide Wellness Performance Socks feature extra room and seamless comfort for sensitivity. These ultra-comfortable socks are made with Nano-Bamboo Charcoal that has been shown to help maintain healthy feet and skin. For the best fit, it is important that you use the size chart before ordering. Targeted Conditions: Diabetes friendly, circulation support, sensitive feet, edema, neuropathy Medical grade compression Made with Nano-Bamboo Charcoal Seamless construction with non-binding comfort Shaped-to-fit design that reduces pain and friction Contoured, ultra-soft padding Mid-food/ Arch Support structure Left/ right design with Y-gore heal Hand wash and hang dry only Do not wash with bleach or a product that contains bleach.