Native Eyewear Sanitas Polarized Sunglasses Castor Resin Imported N3 Polarized lenses filter Blue light, minimizing haze so you get greater Clarity, color and contrast Co-injected molded native frames now seamlessly incorporate their grippy, comfortable molding right into the plastic Cushion nose pads ensure a soft feel and custom fit, regardless of nose shape or size Optimal fit for medium to large Profiles Mastoid Temple grips rest comfortably behind your ears on the mastoid bone