Revision Military Desert Locust Extreme Weather Goggle Basic Kit includes goggle frame with sub zero comfort foam, smoke thermal lens, anti-reflective sleeve, microfiber cleaning cloth, storage case One-piece, optical grade polycarbonate lens shields eyes from unexpected fragments Widest field-of-view to enhance war fighting capabilities Optional Rx insert is also compatible with Revision Sawfly Spectacles; Revision Eyewear offers Rx Carrier fulfillment services. High-impact protection certified to ANSI Z87.1 and Military Requirements (MIL-DTL-43511D clause 3.5.10 and MIL-PRF-31013 clause 3.5.1.1). CE certified in accordance with EN 166, EN 170 and EN 190