ESS Crossbow ONE Black Laser LPL-5+ Safety Glasses Black Unisex. 4mmhigh-impact polycarbonate and featuresESSOPTICS for distortion-free clarity and 100percent UVA/UVB protection.The Crossbow's DedBolt Lens Lock system allows for rapid lens interchange.All Crossbow replacement lenses are compatible with both Crossbow Tri-Tech Fit frames (for normal use) and Crossbow Suppressor frames (for use with ear cup hearing protection and communications gear). Crossbow lenses can also be used in Crosshair frames.All Crossbow replacement lenses include a black Low-Pro Nosepiece and a protective flannel sleeve. BALLISTIC PROTECTION STANDARDS Features of ESS Crossbow ONE Laser LPL-5+ Safety Glasses Crossbow frame LPL-5+ laser lens Zippered hard case Microfiber cleaning pouch & elastic retention strap Package Contents: ESS Crossbow ONE Laser LPL-5+ Safety Glasses ESS EE9007-24: Crossbow ONE Black Laser LPL-5+ Safety Glasses Black Unisex