【Convertable Safety Eyewear with Military-Grade Protection】Meet ANSI Z87.1+, in-house lab simulation test withstands the U.S. standard MIL-PRF-32432A 4.8.4 ballistic impact velocity exceeded 725 ft/s. Inspired by the iconic armor suit, the geometric design and detachable structure, the perfect combination of defense and functionality for maximum eye protection. You can convert the eyewear into goggles or glasses while on the go. The anti-fog lenses provide fog-free vision and optical clarity.