Our most robust construction method with an injection molded Dura Matter shell that is attached to an EPS foam insert Dura Matter is dent and scratch resistant and offers a particularly long service life The unique design of the back of the head allows an aggressive tuck position without affecting the neck / body Developed for optimal integration with Oakley glasses and tapered in the area of the temple so that the glasses sit securely on the face double density foam attached to the front and sides of the helmet under the shell Our most robust construction method with an injection molded Dura Matter shell that is attached to an EPS foam insert. Dura Matter is dent and scratch resistant and offers a particularly long service life. The unique design of the back of the head allows an aggressive tuck position without affecting the neck / body. Developed for optimal integration with Oakley glasses and tapered in the area of the temple so that the glasses sit securely on the face. double density foam attached to the front and sides of the helmet under the shell. First aiders can remove the ear pads quickly and safely if the head or neck needs to be stabilized after an accident.