QUANTUM

External shell made of polycarbonate and polybutylene terephthalate alloy. Allows for higher impact resistance in a range of temperatures, higher heat and flame resistance and greater chemical resistance.

Expanded polystyrene inner foam shell for all-around impact energy absorption and improved comfort. Covered with thermoformed polystyrene for increased durability of internal shell and easier cleaning.

Fire-resistant fastener that secures chinstrap and helmet to wearer’s head. Extra width enables quick and easy helmet removal with gloved hands.

Patented size adjustment system that adapts to head shapes to create a personalized, secure fit. Adjusting the double diameter dial allows the ergonomic side wings to cradle the back of the neck while the self-adjusting hinge moves up and down to keep the system in a comfortable and secure position that moves as the wearer moves.