Classic Unisex Aviator Sunglasses from SeaDog Jack. Polycarbonate Lenses. Alloy Frames. Available in great assortment of colors. Full UV400 protection against harmful UV rays.
What is UV400 Protection?
So you keep seeing the rating “UV400” in the specs for the sunglasses you’re shopping for, but what exactly does that mean? Here’s a simple explanation from the SeaDog Jack Blog page.