Original Gentex SPH 4 Helicopter Flight Helmet modified with original styrene liner for use Zeta or TPL liner,single visor dark , helmet is original green painted, the visor systems include optically correct, abrasion-resistant, polycarbonate lenses that protect the eyes from glare in good condition, helmet is in flight used , very good condition,helmet size is X-Large !!, all avionic and plugs are present, helmet is fitted with original Zeta liner and had a nape and chin strap ,this size X-Large helmet weighed ca. 1.54 kg (3.4 lbs), 24 inch straight cord with U-174 plug and military communications consisting of 5 ohm earphones and a microphone is present ,nice display helmet in very good 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 !