The I/O Mag S offers the same characteristics as the I/O Mag goggle except that it is specially suited to thin faces. It's a magnetic model which means you've got 8 magnetic points around the lens for swift changes, just place your lens on the frame and lock it in place for maximum security. The spherical lens offers a wide field of view while the ChromaPop technology delivers an impressive image quality and visual comfort. You also get to enjoy the Smith TLT and Porex technologies for a spotless vision, without distortion. Even better, with the I/O Mag goggle, you can forget about fogging! The lenses come with a 5X anti-fog treatment, the best coating of the brand. For a max of comfort all-day long, you can count on the Responsive Fit frame and finally, to top it all, a second lens (category 1) is included for bad weather days. The ChromaPop Sun Platinum Mirror lens is ideal for sunny days with its category-3 lens. The mirror effect brings a colourful touch all while protecting you from glare. Goggles Smith ---I/O Mag S White Chunky Knit Chromapop Pro Photochromic Gold Mirror + Chromapop Storm Blue Sensor Mirror