The endura gabbro sunglasses the gabbro anti fog light reactive glasses by endura feature a 2 piece photochromic lens which adjusts to a super wide range of changing light conditions additionally the lens has an anti fog finish which resists misting the lightweight tr90 frame has soft touch rubber pads on the temples and a vented nose piece for maximum comfort supplied complete with hardcase and soft wipe microfibre carry pouch endura gabbro sunglasses features lightweight tr90 frame s