Some people can be unremarkable in manner or appearance, or are so comfortable in foreign places and with alien creatures that they can fade into the background and not be too noticeable. This means that despite wearing something that might not be authentic to the time period, you fit in and people seem to ignore your ‘alien-ness’.
As long as they’re not dressing like a clown or anything too weird, and not doing anything that’ll attract their attention, people will leave the character to go about what they’re doing. If the Gamemaster asks for a roll to ‘blend in’, the trait provides a bonus of +2 to any Subterfuge skill roll when they’re trying to sneak about and not get noticed when in a crowd of people.
Cannot be taken with the Distinctive Bad Trait.