goggles that give you more style and better vision. at lo fi sigmaâ„¢ simplicity and progressive style meet high performance. it convinces with clean design, cool textures and advantages such as salomon's custom id fit technology, which adapts perfectly to your face, quick-change lenses and an enlarged field of vision. the sigmaâ„¢ lens technology improves the perception of the terrain.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 and slightly cloudy days.vlt 12 %