It's a well known fact among video game designers and such that shiny, skin-tight clothing and goggles + glowing lenses = stealthy.

Never mind the creaking that comes with said clothing and the fact that glowing goggles are rather silly in the dark.

Anyway, I know it's kind of hard to tell from this picture, but that's a jaguar, and she's obviously sneaking in someplace to do something dastardly and illegal.