High tech, modern style, ultimate speed: The sunglass trifecta. Introducing a built-for-adventure twist on the beloved MONOLITH frame... The MONOLITH Speed was designed with the same sweat channels and Scoop(R) Venting as the MONOLITH + MONOLITH 50/50, with some energetic additions. Now equipped with easily adjustable nose pads and a custom new lens shape, these shades were built for ripping, riding, running, or relaxing. SPY+'s revolutionary therapeutic HAPPY(TM) Lens Tech is scientifically tuned to boost mood and alertness while enhancing color and contrast, providing a truly life-changing visual experience Optical grade polycarbonate lenses deliver crystal-clear, optically superior, distortion-free vision All SPY+ lenses are Optical Class 1 quality 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(R), a lightweight frame material ideal for everyday wear due to its strength and flexibility Adjustable nose pads with injected rubber provide a secure fit no matter how hard you sweat Scoop(R) ventilation system increases air flow and decreases fog-causing sweat and moisture High-quality, long-lasting snap hinges equipped with Cam Motion to pop temples into place with ease Third-eye SPY+ cross lens detail 100% UV protection reduces eye fatigue and long-term sun damage Frame measures 142-00-147 Fit: Large