The Crowbar is possibly the most versatile ESS sunglass ever created. The military-grade polycarbonate lens material delivers crisp optics, plus a broad range of ballistic protection. Featuring a frameless bottom lens design improves field of view. Lightweight and durable Crowbar interchangeable-lenses with the innovative Lens Gate to make lens exchanges quicker than ever. Balanced fit won’t interfere with hats, helmets, hearing protection or coms gear.