Lightweight goggles with Class F mechanical strength to protect the eyes from 0.86 g shrapnel moving at 45 m/s. They also meet the requirements of class T - protect against glowing particles. The transparent lenses are made of 2.2 mm thick polycarbonate. The double-sided Platinum coating protects against fogging (EN 166 option N), and also gives high protection against scratches and chemicals (EN 166 option K standard). The materials and technologies used provide comfort for hours of wearing in intense light conditions. Stable hold on the head is guaranteed by the nose pad arms, which are made of thermogum and polycarbonate. CE certified. Technical Specifications Model: Silex+ Clear Glass: 2.2 mm polycarbonate Mechanical Strength: F Frame: PC (polycarbonate) and TPR Standards: EN 166, EN 170 (100% UV) Weight: 30 g Manufacturer: Bolle, France.