Native Eyewear Unisex Crestone Imported Composite frame glass lens non-polarized Lens width: 57.8 millimeters Lens height: 39.3 millimeters Bridge: 17.4 millimeters Arm: 130.1 millimeters 2" wide 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 Interchangeable lens system, sport flex lens included