The Wellness Performance Socks offer seamless comfort for sensitivity, and feature ultra-comfortable nano-bamboo charcoal fibre 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, oedema and neuropathy. With seamless technology featuring non-binding comfort it is the perfect accessory for your feet. The mid-foot arch support structure allows your feet the additional stability needed to keep moving and stay moving longer. 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 Size Average Shoe Size S US: M 4.5-6.5 US: W 5-7.5 UK: 2.5-5 EU: 35.5-28.5 M US: M 7-10 US: W 8-11 UK: 6-9 EU: 39-43.5 L US: M 10.5-13 US: W 11.5+ UK: 9.5-12.5 EU: 44-48 XL US: M 13.5-15.5 UK: 13-16 EU: 49-52 Comes with one (1) pair of socks per package.