Features of the Electric Swingarm XL Polarized Sunglasses Frame: 6 base mold injected grilamid frame with an innovative double action hinge system Optics: 6 base melanin infused polycarbonate lenses 100% UV Protection Up to 98% blue light protection Available in polarized polycarbonate lenses 99.9% Premium glAre reduction, relaxed/soothing eye feeling, True color perception, and scratch resistance Available in anti-reflection, hydrophobic, and oleophobic Performance lens coatings Includes microfiber cleaning bag