Anything that the military uniform dress code doesn't allow.

what was the anglo saxons uniform

Answer

The Uniform Code of Military Justice is the law by which the military services operate. It is the Constitution, Bill or Rights and the law for the soldier. It is used to punish criminals in the military.

military?

Depending on the unit, military personel may have to wear a uniform when leaving post and when returning. Generally though, they are not required to be in uniform unless they remain on post.