The Smith I/O Mag Ski Goggles are the perfect choice for skiers who demand the best in performance and style. With their medium frame size, these goggles provide a comfortable fit for a wide range of face shapes. The I/O Mag system uses a series of magnets to quickly and easily swap out the lens, so you can adapt to changing light conditions in an instant. The goggles feature a responsive pivot hinge that allows you to easily open and close the frame, and they are equipped with a comfortable silicone strap to keep them securely in place. Whether you&';re tackling challenging terrain or just enjoying a casual day on the mountain, the Smith I/O Mag Ski Goggles have you covered. Features: Vision Smith MAG(TM) lens change system uses magnets for quick, easy lens changes Spherical Carbonic-x lens for distortion-free optics and impact resistance 5X(TM) anti-fog inner lens for advanced fog-free performance Available with ChromaPop(TM) lens: ChromaPop(TM) enhances contrast and natural color to make the details pop Fit / Integration 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(TM) frame adjusts to your face for a precise, comfortable fit Medium fit; Available in Low Bridge Fit for faces with a lower nose bridge and/or a wide or high cheekbone shape