Spherical Carbonic-x lens for distortion-free optics and impact resistance ChromaPop™ lenses enhance contrast and natural color to make the details pop 5X anti-fog inner lens for advanced fog-free performance Smith MAG lens change system uses magnets for quick, easy lens changes Designed for ultimate integration with Smith helmets for maximum comfort, venting and fog-free performance QuickFit strap adjustment system lets you find the right fit fast Ultra-wide, silicone-backed strap stays put Three-layer DriWix face foam wicks moisture for a fog-free fit Responsive Fit frame adjusts to your face for a precise, comfortable fit Smith I/O Mag XL Goggles + ChromaPop Everyday Green Lens