I'm fairly certain Elza Walker's outfit is a direct reference to the 80s TV show Sukeban Deka. Noburu Sugimura was the lead writer for both RE2 and SD. : r/residentevil
Claire Redfield Elza Walker Costume by Sue the Spherehunter - 9GAG
Elza Walker Costume For Leon
Elza Walker Costume For Leon (Non-RT) at Resident Evil 2 (2019) Nexus - Mods and community
RE2 | All Costume List and How To Get | Resident Evil 2 Remake - GameWith
Claire Redfield - Elza Walker suit cosplay - RE2R by Sheenah on DeviantArt