This document specifies requirements for interoperable knee pads to use in garments and for garments to use with interoperable knee pads and defines performance levels for use when working in a kneeling position in order to reduce injuries to the knees caused by continuous pressure and penetration. Requirements for the marking of the interoperable knee pad and the information to be supplied by the manufacturer are given. Where protection against additional hazards is claimed, performance requirements from other standards are applicable.

This document does not apply to knee protectors that are medical devices or are intended for sports and motorcycles.

In this document requirements are given for a combination of a garment with a fixed sized knee pad pocket and fixed sized knee pad (interoperable pad).

A specific combination of an individual pad and accordingly designed garment is described in FprEN 14404-3 and is excluded from this part.