The attention mask outline border equipped with ventilation system, build up the air running circulation and comfortable.
Advanced design conforms to the a wide variety of helmet, gun sights, telescopes, night vision system and so forth. Frame designed tough, light and simple matched with anybody is face feature.
Lens: lens imported polycarbonate make stronger the lens.
one hundred% UVA/UVB protection, with antifog and save you scratching layer, excellent at resist dust or liquid splash.