Golf requires, more than others, an accurate visual perception: the alignment, reading the 'green', the study and evaluation of the distance and altitude, are closely related with the visual skill of the player. Bertoni golf sunglasses suit golfers reduce visual fatigue and also improve sports performance. The many colors available and the variety of lenses allow sharpness and contrast ideal for all weather conditions, from the overcast sky sunny day, more than protection from air and pollen. Most part of our frames are made in anticrash PC or TR90. TR90 Grilamid® is a special nylon studied for frames used in sport activities. It offers extreme strength although it is light and flexible adapting itself perfectly to the face. It has a "memory" which keeps its shape and elasticity even in extreme temperatures.