Special Features:

Consists of a large sized helmet, a small narrow sized faceshield, and a neck skirt; state-of-sthe-art, fully integrated helmet/nbc respirator system; provides over 8 hours of chemical and biological protection; provides flame protection; incorporates mbu-20/p style oxygen mask; 600 keas windblast protection; pba protection to 50, 000 ft.

Properties:

A head covering consisting of an outer shell and a lining designed to provide warmth for flying personnel. It may be ballastic and/or crash protective and may be equipped with an electrical headset and microphone. It may provide chemical defense and nuclear weapon flash protection.