No matter whether racing bike or mountain bike: basically every cyclist needs protection against the wind, flies and the sun, as well as against UV rays. Nevertheless there are differences: the sitting position, the environment (wood or open country) and the time of the day in which you practise your sport. In order to react to different light conditions, you can wear sports glasses with photochromatic lenses which also function well in the pale light of dusk and dawn – we will show you the possibilities.