Low profile double ballistic lens, the X1000 dual lens goggle offers the best anti-fog resistance. Featuring equalizer technology which uses a waterproof, breathable vent to eliminate any moisture. The result is distortion-free vision and no fogging at any altitude. With the X1000 dual lens goggle, you will be completely protected and prepared for any situation. Designed, tested and certified to Ballistic Resistance Standard 6L-PD 10-12, MIL-PRF-31013 and ANSI Z87.1-2010.