This uniquely designed sock from Sockwell will get your friends talking! With firm compression and lots of arch support, your feet will look fashion-forward while staying fully supported.  FEATURES Learn more about the 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 30% Rayon from Bamboo 33% Stretch Nylon 6% Spandex PRODUCT DETAILS Details for the Sockwell The Raj - Black Features: High-SupportSock Type: Ankle 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)