Full -ear protective helmet body, four -point tactical suspension enhancement stability, strenuous exercise helmets will not bias; dried ink fish in the forehead can be installed with night vision and is reinforced by elastic rubber bands. Identify the lights, noise -canceling headphones, etc.; Shell magic stickers can be used to paste the helmet cover, load survival lights, armbands, etc. The helmet has a built -in seismic buffer system and head enclosure adjustment system. The pool spray painting process, the surface treatment of the granules, is resistant to corrosion, no reflection, facilitates the hidden disguise, and the performance is safer.