Crye Precision AirFrameT Helmet w/3-Hole NVG Mount, Olive Drab Green - Large NEW. The AIRFRAMET ballistic helmet sets the standards in protection, comfort, and modularity. Complete AIRFRAMET helmets weigh less than complete ACH 2002 helmets while providing more coverage area. The AIRFRAMET was developed with a mandate to dramatically reduce headborne weight while exceeding common frag threats. A complete large AIRFRAMET HELMET weighs only 2.55 lbs. The unique overlapping shell design of the AIRFRAMET creates an integrated vent that provides passive cooling and can reduce the ...