Very light (in all 26 g), elastic and strong protective glasses for everyday use. Tightly fitting curved lenses provide perfect protection from mechanical impact. Special design of flexible nasal jumper destroys a slipping problem, at the same time providing soft landing. The monolens with doubled basic curvature 9,75 ensures undistorted review. Revolutionary technology with two-component casting of shackles made of hard and soft materials guarantee maximum comfort. Tested at -40ºC.