Translation guide
In Japanese, the concept of a prison uniform is most commonly expressed with the word 囚人服, but other terms exist for specific contexts or historical references.
He was wearing a prison uniform.
Literally 'prison uniform', this phrase is more descriptive and less common than 囚人服, but still understood.
Prison uniforms are usually gray or orange.
Still the standard term, but context makes it clear you're talking about historical uniforms.
Old prison uniforms had stripes.
A literary or archaic term for prison clothes, often used in historical or dramatic contexts.
He was in prison wearing prison garb.