A prison uniform is a set of standardized clothing worn by prisoners. It usually includes visually distinct clothes worn to indicate the wearer is a prisoner, in clear distinction from civil clothing.
Prison uniforms are intended to make prisoners instantly identifiable, limit risks through concealed objects and prevent injuries through undesignated clothing objects. A prison uniform can also spoil attempts of escape, as prison uniforms typically use a design and color scheme that is easily noticed and identified even at a greater distance. Wearing a prison uniform is typically done only reluctantly and is often perceived as stigmatizing, and as an invasion into the autonomy of decision.
The United Nations Standard Minimum Rules for the Treatment of Prisoners (The Mandela Rules) first adopted in 1955 and amended in 2015, prohibit degrading or humiliating clothing, requiring in Rule 19 that: