They are manufactured using Nylon-12; these are the most robust in the industry, exhibiting 100% to 300% greater elongation at break and greater fatigue resistance than any other additive manufacturing technology. This results in unbeatable comfort and durability. With organic lines inspired by tribal art and a futuristic neo-cyberpunk aesthetic, this unique piece offers a visual experience that transcends the conventional. Gold or silver mirror lenses, with hardened and anti-reflective treatment, for optimal adaptation to environmental conditions, and a health guarantee of protection against ultraviolet radiation (100%UV400).