high-visibility
US /ˌhaɪ ˈvɪz.ə.bɪl.ə.t̬i/
UK /ˌhaɪ ˈvɪz.ə.bɪl.ə.t̬i/

1.
easily seen, especially by other road users
:
•
Construction workers often wear high-visibility vests.
•
Cyclists should use high-visibility clothing at night.
easily seen, especially by other road users