A safety harness is a single-person work equipment made up of several straps and tapes, usually made of Nylon or polyester, which is used for activities at height, vertical work (e.g., repairing traffic lights on public roads or changing signal lamps on a telephone tower), rescues and dangerous situations.[1]​ As during climbing "Harness (climbing)"), the work harness is used in places where a fall represents a high risk for the operator.

The creation of the safety harness, at the end of the century, is attributed to the Dutch mountaineer Jeanne Immink.[2] The most outdated models were simply a leather belt with steel eyebolts, which prevented falling but not injuries caused by stopping in the air. In 1998, with the ban on the use of these primitive devices, the true evolution of safety harnesses began, implementing different types and materials.

The Occupational Safety and Health Administration (OSHA) categorizes three degrees of protection for safety harnesses:.