The WP4® Wellness Performance Socks offer seamless comfort for sensitivity, and feature ultra-comfortable nano-bamboo charcoal fiber that has been shown to help maintain healthy feet and skin. OS1st® WP4™ socks are built to target specific conditions such as diabetes, sensitive feet, edema and neuropathy. Targeted Conditions: Diabetes Circulation Support Sensitive Feet Edema Neuropathy Performance Features: Seamless construction Non-binding comfort Shaped-to-fit design Light Gradient Compression Contoured Padding Mid-foot/Arch Support Structure Left/Right Design for the Perfect Fit Y-Gore heel Lifestyle & ultra comfort