Alpine Pro sunglasses providing maximum protection against UV radiation Alpine Pro Braze sunglasses are an excellent companion for the summer months for all outdoor activities in nature and in the city. UV protection CAT 3 ensures spectral transmittance of 8-18% provides extra protection against visible and UV radiation. The lenses provide 100% protection against UV radiation A,B,C (UVA, UVB, UVC). The glasses meet the ČSN EN ISO 12312-1 standard. You will also receive a soft microfiber protective bag with the glasses. Material: Polycarbonate (frame), TPR (nose and sleep pads)