You can always tell when someone can hear the difference between a cheap Mp3 and the real thing (because they tell you).
These super-comfy, unisex, one-size-fits-most Gym Socks are made in the USA of Black Cotton with accents of Teal Nylon, Rust Nylon, Cream Nylon.
61% Cotton, 36% Nylon, 3% Spandex.