The high-quality Swisseye Mantra sports glasses are equipped with a cylindrical, shatterproof polycarbonate lens (material TR90) with maximum field of vision. The lens with light transmission cat. 3 offers 100% UVA, UVB and UVC protection and guarantees the highest quality without distortions or faulty images. The adjustable nose section and rubberized temple tips provide a comfortable, secure feel.