SB74WMD Trifecta Black frame with Wire Mesh lens wavecel flexible temples provide a secure Anti Scratch flexible temples provide a secure fit without uncomfortable pressure points Special nylon temples are metal detectable and X Ray detectable Plated steel screws resist corrosion while providing metal detection properties FogLess® 3Sixty™ enhanced hydrophobic action resists lens fogging and provides clear vision in extreme working conditions Molded nose bridge design to fit the vast majority of users 9 open pit mining PYRAMEX SAFETY Trifecta Black frame with Wire Mesh lens Wrap around black wire mesh lens Provides excellent eye protection for work environments with high humidity that require impact protection Meets ANSI Z87 1 requirements for screen lenses