REBAR ANSI BLK HPPY BRNZ PLTNM SPCTRA MIRROR All colorways are ANSI Z87.2+ certified for lens retention and high-mass impact resistance . SPY+'s revolutionary therapeutic HAPPY™ Lens Tech is scientifically tuned to boost mood and alertness while enhancing color and contrast, providing a truly life-changing visual experience . ARC (Accurate Radius Curvature) polycarbonate lenses are tapered to follow the natural curvature of the eye, providing crystal-clear distortion-free vision while reducing eyestrain . Available with polarization, which blocks over 99% of surface glare and is layered and sealed within SPY’s lenses to prevent scratching, delaminating, and hazing of your polarized filter . Constructed from Grilamid NZ, a lightweight and durable frame material that can handle a load of beatings . Comfortable rubber nose pads and temple tips provide a secure fit no matter how hard you sweat . Snap pin hinges provide a secure, comfortable fit . 100% UV protection reduces eye fatigue and long-term sun damage . Scoop ventilation system increases air flow and decreases fog-causing sweat and moisture . Frame measures 62-18-130 670000000166