Koro Sunglasses

These Koro Sunglasses are extremely tough, strong, and impact resistant, has low friction coefficient, and effectively protects the eyes and face from damage due to framerupture or friction during sports. Due to its special molecular structure, it has excellent chemical resistance, It is not liable to deform under high temperature, releases no residual chemicals and meets the requirements on food-grade materials in Europe.

UV400
Ultraviolet rays refer to sunlight rays of which the wavelength are between 200nm-380nm,including the following three types: UVA wavelength 315nm-380nm, UVB wavelength 280nm-315nm and UVC wavelength 200nm-280nm. Among the sunlight rays reaching earth surface, UVA accounts for 97% and UVB 3% . Ultraviolet rays will induce keratitis and sunlight cataract and so on. Every pair of Outdo sporting glasses has passed or been beyond the strict inspection standards made by the state, which can keep off the ultraviolet under 400nm wavelength and effectively protect the health of your eyes.