Kosto K-series with clear anti-fog, anti-scratch lenses. These Kosto safety glasses are comfortable and offer high protection thanks to its 9.75 base curve lens that provides complete side protection. Its anti-scratch polycarbonate lens filter more than 99.9% of harmful UV rays. Extra comfort is ensured: the lightweight nylon temples adjust to four different lengths to make sure they fit perfectly, and the nose bridge secures the glasses and prevents slipping while providing a pillow-soft fit. Black frame with clear lens.