Vento offers optimum protection a sleek race look and a comfortable fit at a very competitive price lenses are made of polycarbonate and are tested according to international ce standard and surpass herein the highest quality with uv400 label vento comes with a yellow and transparent lens next to a dark lens these can be used in cloudy weather or on dark winter nights in addition to uv protection the integrated single lens also protects against lateral light and prevents tearing eyes the e