knee-high socks; over-the-knee socks
Abbreviation of ニーハイソックス. Commonly used in fashion contexts to refer to socks that reach above the knee.
See also: ニーハイソックス
I'm wearing black knee-high socks with my uniform.
This brand's knee-high socks are very stretchy and easy to wear.
Abbreviation of ニーハイソックス, from English 'knee-high socks'.