1.Product type: protective glasses 2.Functions: windproof, sandproof,UV resistant 3. Features: The outer frame of the eye mask is equipped with a ventilation system to increase the air circulation and comfort of the user during operation. High quality, light and hard, veneer, suitable for any person's face design suitable for use with night vision goggles. 4. Headband: Advanced design meets all types of helmets, sights, telescopes, night vision systems. 5. Lens: The lens is made of imported polycarbonate fiber reinforced lens. UVA / UVB protection, anti-fog and anti-scratch protective outer film layer, can resist dust or liquid splash. - Translucent lens: With hardened and shock proof design, it features excellent eye protection and is suitable for cloudy or night without effect on slight. - Yellow lens: With the effect of brightening slight, it is suitable for your trip at night. - Brown lens: It can absorb hyacinthine, ultraviolet and infrared completely. Wearing it, it will bring you a clear vision and is a good choice for in the daytime. - Black and grey lens: It is low profile, decent and can withstand the reflected light of smooth item surface. - Colored lens: With multi-layer coating films, it features colorful,changeable, cool style and owns excellent function of ultraviolet-resistance. It is suitable for all weather.What's in the box 1 X Multi-functional Outdoor Goggles