noun
knee socks; high socks
Wasei-eigo from English 'high socks'; refers to socks that reach up to or just below the knee, commonly worn with school uniforms or casual outfits.
wasei-eigo (Japanese-coined English), from high socks
制服には白いハイソックスを合わせることが多い。
White knee socks are often worn with school uniforms.
彼女は今日、黒のハイソックス
She is wearing black knee socks today.