All Von Zipper lenses provide 100% UVA and UVB protection. 100% UV protection.
Fernstein features: Base 6 spherical lens, Impact resistant polycarbonate lens, Optical quality metal alloy frame, Stainless steel optical hinges, Silicone nose pads, 100% UV Protection.
All Von Zipper sunglasses are constructed with the highest quality optical materials. VZ offers a lifetime guarantee against manufacturers defects on all of their sunglasses.