Adjustable silicone nose pads provide comfort and a customizable fit Hand-crafted stainless-steel frame construction generates proper strength, optical stability, and flexibility Lightweight construction and proper weight balance guarantee long wearing comfort without pressure points or fatigue Wide format lenses create a panoramic viewing field for high-resolution viewing Proprietary patented GUNNAR lens material and tint Blocks harmful blue light and 100% UV light Ultra slim temples distribute pressure to ensure headphone compatibility A-fit compatible Prescription Range: -8 to +4.5