Photochromic cycling glasses R2 Rocket * sun filter category: 1-3 * CE Safety Pro certification * weight: 20 g * UV 400nm - 100% protection against UV rays A,B,C * frame material: Grilamid TR90 - extremely light and very durable high-tech material with excellent flexibility and shape memory, increases wearing comfort * photochromic technology - darkens and lightens depending on the intensity of ultraviolet radiation (with a higher incidence of radiation, the lens darkens and conversely, when the light intensity is lower, it automatically lightens) * material resistant to impact * lens material: photochromic impact-resistant polycarbonate * anti-slip beam * flexipad - adapts to any nose width * adjustable sides * lens color: pink to purple with platinum coating * platinum lenses: lenses covered with a special mirror layer that significantly reduces the amount of light falling on your eyes by simply reflecting most of the light. The Platinum mirror coating is also abrasion resistant. * compatible with Pro Optic * size: standard * optical sizes: 124-0-135 * included in the package is a microfiber fabric cover that can also be used as a cloth for glasses, hard cover * sports glasses, sunglasses, bicycle glasses