noun
long padded parka; sideline coat
A thick, long coat often worn by athletes or coaches on the sidelines; a wasei-eigo term derived from English 'bench coat'.
wasei-eigo (Japanese-coined English), from bench coat
寒い日の試合では、選手たちはベンチコートを着て待機している。
On cold game days, the players wait in their bench coats.