The OS1st WP4+ Wide Crew Sock is designed to provide comfort and support in a stylish, wide fit. Its seamless construction offers gentle compression to improve circulation and can help treat diabetes, edema, and neuropathy. It's made of eco-friendly nano-bamboo charcoal for a soft and lightweight feel, and it features silver ion tech to reduce odor and provide antimicrobial benefits. Padding in key areas such as the arch and mid-foot provide additional support without sacrificing the sleek design that looks great with any shoe. The OS1st WP4+ Wide Crew Sock is a must-have for those looking to stay comfortable during long activities.SIZE CHART: OS1st WP4+ Wide Crew Socks Technical SpecificationsSeamless Nano-Bamboo Charcoal ConstructionNon-Binding ComfortShaped-to-Fit DesignLight Gradient CompressionContoured PaddingMid-foot/Arch Support StructureLeft/Right Design for Perfect FitY-Gore