Abstract: A boltless retention system for a protective headgear includes a ballistic helmet portion having an inner surface. A first substrate is boltlessly secured to the inner surface of the ballistic helmet portion and the retention system is boltlessly secured to the first substrate. The retention system includes attachment members, straps, and a nape pad. The attachment members each include a second substrate and a loop. A portion of each strap of the retention system extends through a loop of an attachment member to an adjustable locking member disposed on the strap. The nape pad is secured to a portion of at least two of the straps between the adjustable locking member and the loop. The second substrate of the attachment members are boltlessly secured to the first substrate of the helmet.

Abstract: A boltless retention system for a protective headgear includes a pad boltlessly secured within a cavity of the protective headgear. A strap is boltlessly secured within the cavity and between the pad and an inner surface of the headgear. The strap withstands a static pull strength between about 150 pounds and 300 pounds.

Abstract: A shell for ballistic helmet formed from a plurality of paraaramide fabric layers such as KEVLAR-KM2®, and bonding resin. All fabric layers have areal density less than 200 g/m2, preferably part of them have areal density less than 160 g/m2. The number of paraaramide layers is greater than 28, preferably 38 and more. The bonding resin constitutes less than 12% of the shell weight. The shell has average thickness less than 6.5 mm and average areal density less than 7.5 Kg/m2. A method for the production of such shells includes pressing and bonding the plurality of layers at pressure equal to or above 150 Kg/cm2, preferably above 300 Kg/cm2.

Abstract: A system for providing streaming air to evaporate perspiration from a wearer of personal armour. The system incorporates a set of voluminous layers for wearing beneath the armour, one of which is enveloped voluminous layer. The envelope is perforated in the direction of said wearer, such that an air blower forces air into the perforation and thence onto the body of the wearer.

Abstract: A shell for ballistic helmet formed from a plurality of paraaramide fabric layers such as KEVLAR-KM2®, and bonding resin. All fabric layers have areal density less than 200 g/m2, preferably part of them have areal density less than 160 g/m2. The number of paraaramide layers is greater than 28, preferably 38 and more. The bonding resin constitutes less than 12% of the shell weight. The shell has average thickness less than 6.5 mm and average areal density less than 7.5 Kg/m2. A method for the production of such shells includes pressing and bonding the plurality of layers at pressure equal to or above 150 Kg/cm2, preferably above 300 Kg/cm2.