The Sport Ease socks, by SockWell, have bunion relieving technology to give you the support your feet need to get through each day! FEATURES Learn more about the features Bunion Relief Split Toe Turn Welt Top High-Support Built-in Arch Support Seamless Toe Closure Moisture Wicking Ultra-Light Cushion Bottom 34% Merino Wool 34% Rayon from Bamboo 28% Stretch Nylon 4% Spandex PRODUCT DETAILS Details for the Sockwell Sport Ease - Black Sock 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)