The UD317B safety glasses feature black mirror lenses and a sleek co-injected TPR over polycarbonate temples, which allows for flexibility and comfort. This series has a modern and stylish frame design that workers will want to wear! Soft non-slip TPR temple material and nose pads help hold the glasses in place throughout your workday. The UD3 high quality safety glasses have a lifetime frame warranty and are engineered to provide the highest level of innovation. Choose the best safety glasses, choose MCR Safety!