Crews FF128B Force Flex Military Ballistic Safety Glasses Black Frame Blue Diamond Lens, 1 Pair Dual material temples combine Thermo plastic rubber (TPR) for comfort and grip and polycarbonate for durability This patented construction allows for the frame to flex and fit individual faces from large to small Universal gel padded nose bridge Meets military VO test regimen for high velocity impact protection Exceeds ANSI Z87 high impact standards and EN166 standards