制服
A uniform is a set of standard clothing worn by members of a team, profession, or organization while participating in that organization's activity.  The purpose is to make the members' appearance "uniform".

This tag is so broad that it's useless for danbooru's purposes, so please use a more specific tag, such as:

* [[employee uniform]]
* [[school uniform]]
* [[pilot uniform]]
* [[police uniform]]
* [[military uniform]]
* [[sailor]] uniform
* [[maid]] uniform
uniform