This is a original Gentex Sound Protective Helmet-4 (SPH-4) single visor dark used by Army Helicopter Pilots and Rescue Crews, the SPH-4 had a shell made of fibreglass cloth layers bonded by epoxy, dark visor is present in very good condition with minimal scratches, helmet is fitted with a sling suspension liner and had a nape and chin strap ,,this size X-Large helmet weighed ca. 1.54 kg (3.4 lbs), helmet is incomplete, missing is the 24 inch straight cord with U-174 plug , military communications consisting of 5 ohm earphones and the Earcup Earseals, the microphone is present , helmet is in very good normal flight used condition,helmet is original Green Painted with green visor cover, Head for display purpose only and not included in sale ,this helmet is normal flight used but in very good original condition ,note that all our items are pure collector items or display items. The items are not tested for real use and have no aeronautical exams or clearances. Use is at your own risk !