BRAND NEW WITH ORIGINAL TAGS Nike Elite Over-The-Calf Graduated Compression Black & Yellow Running Socks For Men (sizes 10 - 11.5) AND Women (Sizes 11.5 - 13) - UNISEX - These compression socks are made with reflective details to enhance the runners visibility during low light or foggy conditions. Nike develops these socks using its patented “Dri-Fit” fabric blend which pulls away sweat to help keep the runner cool and comfortable throughout his/her run! When properly worn during exercise, compression socks improve the flow of oxygenated blood throughout the body, which will result in more muscular energy and stamina for the runner!