The Smith I/O MAG(TM) XL Low Bridge Fit Snow Goggles take the Smith MAG(TM) interchangeable system and integrated it with a more expansive window to the mountains. The I/O MAG(TM) XL's extra-large spherical ChromaPop(TM) lens enhances clarity and amplifies your experience. With OTG compatibility in mind, the I/O MAG(TM) XL design integrates seamlessly into helmets to provide the ultimate fit and function as a fog-free system. The Smith I/O MAG(TM) XL Low Bridge Fit Snow Goggles have everything to become your all-time favorite!