Front and back covers with 1.5" (38.1mm) holes over-laid onto dome.
Back "wing" extending about 4" (101.6mm) below the rim of the dome at the sides and about 7" (177.8mm) at the back, encompassing about half the circumference of the helmet.
Ear blocks with a bend to match the flare of the "wing" over each ear at the front ends of the "wing" with geometric circle patterns in the top half and a spaced out area of "dimples" in the lower half.
For level two certification (if applicable):
Helmet must very closely match the details seen on screen, to include accurate “ear” details, and look proportionate to the wearer’s head/body.
For level three certification (if applicable):
Must exactly match a specific helmet worn on-screen.