Howard Leight Genesis XC Lens Combo Kit, R-01637 includes an adjustable fit frame, 3 interchangeable lenses, storage case, and lens cleaning cloth. These shooters glasses by Howard Leight features premium dual lens coating offers anti-fog protection. Howard Leight Shooting Glasses from Genesis XC Combo Kit have 3 interchangeable lenses for varying light and shooting conditions. Shooting glasses by Howard Leight are perfect for shooting sports. These HowardLeight Shooting glasses have larger lens shape offers extended lens coverage. Also, they meet ANSI Z87+ impact standards and Military Vo ballistic test for impact, and function equallly well as shooting glasses and safety glasses.