Any protective equipment used by players must be of a single colour, in principle the colour of the shirt in the case of elbow pads or the colour of the shorts in the case of knee pads. Alternatively, such equipment may be black or white. It must not protrude excessively and one manufacturer identification not exceeding 20cm2 is allowed on each elbow and knee pad. No sponsor logos, or any other written messages, names or images are permitted on protective equipment.