CORTINA PFTY Motorcycle Photochromic Polarized Sunglasses

Photochromic Polarized Sunglasses for Motorcycle by Bertoni Italy CORTINA PFTY: Maximum protection in extreme conditions against wind, bad weather and hard sunlight with leather side shields with anti-misting aerators - Photochromic and Polarized Yellow LENS: photochromic to darken and lighten depending on the available sunlight and polarized to block blinding glare, from dark early morning starts to bright midday sun, to the long shadows of late afternoon cat. range yellow 1 to smoke 3 ( this is the perception of the color of the lenses but thanks to the polarization the protection factor proceeds from cat 2 to 3). The yellow polarized lens is the one defined as the "high definition lens" par excellence, ideal for driving and sports activities that require an increase in contrast in conditions of low light, rain, fog, etc. Please note, photochromic lenses react to UV rays and will not darken when worn behind an helmet visor or windscreen that blocks UV light. They must be exposed to direct sunlight to initiate. - Curved, wrapping, flexible arms hold securely making grip at the tip of the arms : keeps the sunglasses from slipping providing comfortable fit.  - Pack includes: case, soft pouch made in microfiber for cleaning operations, elastic cord, cartoon case.