The Simplify Maestro Polarized Sunglasses feature a high-quality metal frame with multi-layer TAC polarized lenses that eliminate 100% of UVA/UVB harmful blue light and glare. They are designed for a comfortable and secure fit with adjustable nosepads, high-quality cupronickel arms with TR90 tips, and standard stainless steel hinges. The lenses are scratch and impact resistant.