The Kilpi LECANTO PHOTO-U cycling photochromic sunglasses have a very light construction with a half frame, and stylish large polycarbonate lenses that have the function of self-darkening depending on the intensity of sunlight. Ventilation micro-perforation helps wick away moisture and prevents fogging of the goggles. The shape of the goggles is compatible with the shape of a bicycle helmet. The non-slip silicone temples and nose seat hold well and do not slip. Slide category 3 is suitable for bright and very bright sunny days. The transmittance of the glass is 8-18%, UV 400. The glasses are not suitable for wearing in dim light or poor visibility. The package includes a sturdy padded case and a soft bag for cleaning glasses. The weight of the goggles is 40g. Instructions and Declaration of Conformity available at: www.kilpi.cz/prohlaseni Manufacturer: PONATURE s.r.o., U Hrůbků 251/119, 709 00 Ostrava, Czech republicMaterial composition: 100% polycarbonate, rubber