In the Society for Creative Anachronism (SCA). There is an interest for practically everyone, from costuming to sword fighting to… well, you name it.
Here is the SCA’s Main Website: Society for Creative Anachronism
And here’s the website for the Kingdom of Northshield.
For those who are new, newish, returning, or just curious, you can find information to help you get started HERE.
Also, check in the tags section for: SCA & Newcomers.
There are also several tags that will lead you to different types of garb (i.e. outfits).
A list of patterns (garb) and information from trusted sources.
How to play in the SCA on a budget.
The SCA’s Newcomer’s Portal.