HAMEL offers a minimalist design with maximum character. With its trendy pantos shape, this new metal model gives an effortless style and a touch of nerdy elegance to any outfit.Thanks to Serengeti®'s mineral lenses offering a unique mix of photochromic, polarizing and Spectral Control® technologies, HAMEL adapts to light, protects against distracting glare and optimizes colors to reveal the world from its best angle. The Purest Photochromic Polarized sun lenses. Photochromic lens perfectly adapting to only let the necessary light reach your eyes. Ideal for everyday use and boating activities. Strong and long lasting material for a light yet solid frame. Perfect hinge to adapt on various face size. Lens Technology : Mineral Polarized Photochromic Spectral Control. Lens VLT : 25% to 16%. Lens Color : 555nm Blue. Frame Material : Metal. Hinge : Flex Hinges