Name: X400 Tactical Wind Mirror Windproof, Sand resistant, and Impact resistant Type Material: PC Aerospace Material Color: Transparent, Yellow, Tea, Grey, Colorful Features: The eye mask frame is equipped with a ventilation system, which increases air circulation and comfort for users during operation. High quality, lightweight, hard and laminated, suitable for any person's face shape design, suitable for use with night vision goggles. Headband: Advanced design suitable for various helmets, scopes, telescopes, and night vision systems. Test: Impact resistant lenses that exceed the first level impact resistance standard of the American National Standards Institute ANSI Z87.1. Lens: The lens is reinforced with polycarbonate fiber. 100% UVA/UVB protection, combined with anti fog and anti scratch protective outer film layer, can resist dust or liquid splashes.