Swiss Eye Neoprene Face Mask with Smoke Lens - Black 100% UVA, UVB, UVC protection up to 400 nanometers 2mm thick elastic neoprene face mask protects from the sun, cold, dust, wind, insects, and injury Air vent holes by ears and mouth for ease of hearing, breathing, and talking with velour lining for all day wearing comfort and hook and loop cinch adjustable back making this mask one size fits most Anti-fog/anti-scratch coating lenses increases your safety without disturbing the optical properties Integrated goggle lens snaps into place and guarantees the highest quality images without distortion