This is a original Gentex SPH-4 G Helicopter used by German Air Force helmet provides superior protection and comfort in a lightweight design. Its high-strength, lightweight Para-Aramid and reinforced with epoxy resin shell, it includes a polystyrene energy-absorbing liner and a comfortable fitting system. The wide yoke-style retention system stabilizes the helmet and can be adjusted for optimum fit with the chin and nape straps. Crushable sound-attenuating earcups screen out excessive noise levels. The visor systems include optically correct, abrasion-resistant, polycarbonate lenses that protect the eyes from glare, wind, and dust, this SPH-4 G helmet comes with an double visor assembly dark and clear, , this special helmet has the correct overall black nomex retention harness , Includes all intact onboard/integrated communications equipment plugs and avionics , helmet and all is in unused exellent to new condition,Helm was part of a collection and always stored in a schowcase,helm is additionally provided with a camouflage lacquer and a clear lacquer, there are slight adhesive residues on the rubber seal, (see photos) ,include a original Gentex helmet bag,This is but minimal visible was only an display object in a collection, not used in very good condition,