The Personnel Armor System for Ground Troops Helmet is a combat helmet first employed by the U.S. military in 1983 and eventually adopted by many other military and law enforcement agencies internationally.
Its main features are:
Head protection when parachuting for military paratroopers
Head protection from bumping objects for military ground forces
Head protection against handgun rounds and ballistic fragments, the helmet can stop a 9mm bullet from a sub machine gun.
Protection level: IIIA
Protection guarantee: 6 years after delivery if shell is not modified or damaged