everything you want from a goggle, with a modern design. the salomon radium prime sigma not only gives you an oversized, colour-enhancing sigmaâ„¢ lens with anti-fog+ coating, but also comes with a fast, magnetic closure system. this allows you to react super fast to changing conditions.the field of view of these goggles is maximally extended and of course the goggle is otg compatible. you can store this gem in the included hardcase or in the microfibre goggle bag.sigmaâ„¢ black gold lensthe sigmaâ„¢ lenses provide better contrast vision so you can see the details of the terrain more quickly in all lighting conditions. this lens is perfect for sunny conditions.vlt 12 %