Anti-scratch and anti-mist lens EN166 “K” & “N” rating, field of use: 3 4. Perfect Hybrid 6X1 combines the comfort and lightness of an eyewear with the advantages of a goggle. The adjustable temples with SoftPad™ are interchangeable with the elastic band, offering complete versatility; the special design of the rubber leaning on the face ensures a protection certified in accordance with points 3 and 4 of EN166 standard. Wide lens for a field of view without distortion Sophisticated indirect ventilation system Soft internal rubber for comfort without local pressure Certified according to EN166 point 3 (droplets and splashes) and point 4 (large dust particles) K&N Rated