Frame: 4 base Mazzucchelli handmade Italian acetate frame with a stainless steel hinge.
Optics: 4 base melanin infused CR39 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.