Photochromic cycling glasses 100% Hypercraft - rimless sports sunglasses with UltraCarbon™ technology. These 100% Hypercraft sports glasses are lighter, stronger and more dynamic than any other on the market, plus they have photochromic technology that darkens or lightens the lens depending on the intensity of ultraviolet radiation. * sun filter category: 0-2 * ultra-light weight: 23 g * photochromic technology - darkens and brightens depending on the intensity of ultraviolet radiation (with a higher incidence of radiation, the lens darkens and, conversely, with a lower intensity of light, it automatically brightens) * top optics with ultra HD lenses made of a material resistant to cracks and chemicals * 100% patented UltraCarbon™ material * durable, strong and light frame * complete protection against UV rays, UVA, UVB and UV400 * cylindrical lens for better peripheral vision and protection * surface treatment top quality scratch-resistant lenses * streamlined laser-cut rimless shield with superior ventilation placed at aerodynamic angles * hydrophobic and oleophobic lens treatment repels water, dirt and oil * rubber beam and side tips provide ultra grip and secure fit * microfiber cloth cover included , which can also be used as a goggle cloth, a sturdy zippered case * designed in California