Photochromic Polarized Sport Sunglasses P125FTA

Photochromic Polarized Motorcycle Sunglasses - Yellow Anticrash Lens - Windproof insert - by Bertoni P125FTA Motorcycle Goggles. 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 1 to 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. Removable insert wind and dust protective. Wraparound design: protects the eyes from wind and bad weather, provide enhanced peripheral vision. Size: suitable for all types of faces (narrow to large) - Helmet's Friendly.