Lens Type: Zero-power / Clear hard-coated lens with side shield indirect ventilated temple Lens Material: Polycarbonate Temple / Color: Transparent Frame Material: PolypropyleneLens Color: Clear Transparent 0 UV protection: 99% Optical-class lens Operating Temperature: 90-100 DEGREE Country of Origin: Made in Taiwan Impact-resistant: For medium and low levels of impact against flying objects and particles