Photochromic Sunglasses Antifog for Extreme Sports - Cycling Running Golf Ski Watersports - Anticrash Ventilated Lenses by Bertoni Italy - F1000B:
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Sports sunglasses with frame made of TPX, an evolution of nylon that makes it even lighter, floating and robust, optimal also to be dressed under the helmet. The polycarbonate photochromic lenses with antifog, impact resistant, protect the eyes every day, in the presence of sunlight, overcast or intermediate weather conditions. In addition, they are treated with a special resin which removes the condensation that forms on the lens surfaces in the transition from hot to cold. The reaction time of the photochromic lenses are very fast: only 8 seconds to go from clear to smoke, and 35 seconds from smoke to clear.