Product DetailsVisionThe ChromaPopT Glacier Photochromic lens adapts to match the light conditions with less sensitivity to temperature changes plus ChromaPopT to provide contrast and color enhancement throughout the tint rangeChromaPopT lenses enhance contrast and natural color to make the details popThe ChromaPopT Glacier Photochromic light transmission ranges from category 1 to category 4Interchangeable lensesAnti-fog and hydroleophobic coatings for clear optics and easy cleaningFit / IntegrationLarge fit, XL coverage5-base cylindrical shield lens curvatureSlight wraparound fitMegol temples and nose pads provide non-slip grip so glasses stay putTwo-position, adjustable Megol nose padsEasy-adjust, QuickFit temples for a customized fitRemovable, magnetic TPU side shields for added light protectionFrameEvolveT bio-based frame material is lightweight and durableAutoLock hinges hold frames open for easy one-hand on and offSpecial screwless hinge for added safety and durability