At LO FI SIGMA™ simplicity and progressive style meet high performance. It features a clean design, cool textures and benefits such as Salomon’s Custom ID Fit technology, quick to change lenses and an enlarged field of vision. The SIGMA™ lens technology improves the perception of the terrain. SIGMA™ Poppy Red Lens This SIGMA™ lens ensures perfect visibility in changeable conditions. FeaturesThe SIGMA™ lenses provide better contrast vision so you can see the details of the terrain more quickly in all lighting conditions.Custom ID Fit ensures that the frame adapts precisely and as if by itself to every face shape.The A-shaped frame offers a wider field of vision, especially at the bottom where you need the most visibility.AdvancedSkin ActiveDry foam achieves efficient moisture transport through the foam construction to keep the skin dry.Airflow systemDual-slide buckle adjustmentSilicone-coated retaining strap