The Blockade features Swivelink technology to make changing between the three included lenses fast and easy. It is made of Grilamid TR 90 NZZ, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. Hydrophilic rubber ear and nose pieces for a no-slip fit. Adjustable ear and nose pieces for a customizable, comfortable fit.
MORE INFORMATION: Both Frame and Lens meet or exceed ANSI Z87.1 impact standards. Lenses meet or exceed ANSI Z87.1 standards for optical clarity and eye coverage. Clear lenses are ideal for indoor or low light conditions, High Contrast Red for cloudy conditions and to boost contrast, and Smoke for bright sunlight.