The Tactical Lifestyle line offers Smith Optics protection while bringing Smith style into the picture. The Smith Elite Lockwood tactical sunglass features frames constructed of lightweight, impact-resistant materials and proprietary high-impact lens material that meets ANSI Z87.1 standard for optics and MIL-PRF-31013 standard for impact. Lenses provide 100-percent protection from harmful UVA, UVB, and UVC rays, and tapered lens technology corrects distortion.