OK, maybe it's just the bad ass scar across her eye that the cosplayers love...
Here's some good steam punk goggles:
Full scarf treatment:
Jimmy Jangles writes about science fiction, films, and worldbuilding. He’s been chronicling Philip Reeve’s Traction Era and the 2018 film adaptation since 2016 — from Municipal Darwinism to MEDUSA, Hester Shaw to Shrike. Also runs The Astromech for sci-fi at large.