Native Eyewear Toolah Polarized Sunglasses N3 polarized lenses filter blue light, minimizing haze so you get greater clarity, color and contrast Co-injected Rhyno-Tuff Air frames seemlessly incorporate our grippy, comfortable molding right into the plastic to help keep your shades in place Mastoid temple grips rest comfortably behind your ears on the mastoid bone Optimal fit for small to medium profiles Cam-action hinges