ANSI Z87.1 Safety Glasses Clear Lens - The BL1 series safety glasses feature a trendy style while being one of the lightest glasses in the industry, weighing in at a remarkable 22 grams. This dielectric offering includes a brow guard and soft TPR (Thermoplastic Rubber) nose piece for additional protection and comfort. The frame and lens are both constructed with quality virgin polycarbonate material. Don't be weighed down by safety! Experience the lightweight, all day comfort and protection of our BL1 eyewear. Choose the best safety glasses, choose MCR Safety!