Outer shell made of polycarbonate

-forehead and chin ventilation
-Static heat ventilation at the back and top of the head
-Ratchet closure
-Ratchet closure -Removable and washable inner lining
-Clear lacquer sealed
-Lining: 100% polyester
-Dirt filter in the mouthpiece (removable and washable)
-Sunshade infinitely adjustable
-fine wire mesh in front of air inlets and outlets to protect against foreign bodies