Smith Optics Elite Director Tactical Sunglass with Polarized Brown Lens Frames constructed of lightweight, impact resistant materials Director Tactical features Medium fit,Medium 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