Rebar left bold in the dust and ripped straight through to brazen. With a Z87.2 ANSI rating, they are more sheer force of nature than shades. Tough, lightweight, and built for those with big dome energy, these ANSI-safety sunglasses deliver the clarity and colossal individuality we all seek. 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