Get all the support you need with Elevation from Sockwell. With firm compression, arch support and Accu-fit technology your feet and legs will feel relief. FEATURES Accu-fit Technology Graduated Compression Firm 20-30 mmHg Turn Welt Top Arch Support Seamless Toe Closure Ultra-Light Cushion Sole 31% Merino Wool 31% Rayon from Bamboo 30% Stretch Nylon 8% Spandex PRODUCT DETAILS Features: High-SupportSock Type: Mid-Calf Socks, Compression Socks Fitting: Women's Small/Medium - Shoe sizes 4 – 7.5 (European Sizing 35 – 38) Women's Medium/Large - Shoe sizes 8 – 11 (European Sizing 39 – 43) Men's Medium/Large - Shoe sizes 7-10 (European Sizing 39 - 43) Men's Large/X-Large - 10.5 – 13 (European Sizing 44 – 47) Men's XX-Large - 13.5 – 16 (European Sizing 48 – 50)