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„¢ universal 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 changeable conditions.