Smith Optics Elite Hudson Tactical Sunglass with Polarized Brown Lens Frames constructed of lightweight, impact resistant materials Hudson Tactical features Small fit/Small coverage Our Tactical Glasses meet US Military Spec MIL-PRF-31013,ANSI Z87.1 Tapered Lens Technology for distortion free optics- Lenses provide 100-Percent protection from harmful UVA/UVB/UVC