power source and a light emitter powered by the power source and directed at the visor application_number US 17066905 A description in the accompanying drawings there is depicted schematically an item of headwear in the form of a cap 10 including a headband 11 and the visor 12 at the front of the headband 11 there is provided a battery compartment 13 housing a plurality of batteries 14 typically size aaa batteries a cover plate 15 covers an opening 16 in the headband behind the compartment 13 through which the batteries 14 can be inserted and removed the compartment 13 is typically made of light transmissive plastics material an led mounting plate 16 surrounds the batteries 14 within the compartment 13 and comprises a number of apertures 17 for each receiving an led 18 the leds 18 are connected via wires and a switch 19 to the batteries 14 the visor 12 is also made of light transmissive plastics material and comprises a pair of opposed clamps 19 each adapted to cooperate with clamping lugs 20 at opposite sides of the headband 11 to secure the visor in place enabling pivotal movement up and down and detachment replacement as desired the visor 12 can have printed matter thereon u2014 say in the form of a logo advertising or anything else the leds shine through the light transmissive compartment 13 onto.