Variomatic eyewear designed for high-activity sports - perfect for cycling as you don't have to change lenses when the lighting changes!Variomatic = photochromic lenses that adjust to the ambient light:Clear lenses in lower lightDark lenses in brighter lightEnjoy extremely light sunglasses with excellent anti-fogging protection. The uvex active cycling glasses with variomatic lens technology automatically adapts to all lighting conditions with its photochromic lenses.