Experience the Tri-Tech Fit frame that achieves an amazing universal fit with max comfort and zero pressure points. Enjoy anti-fog thanks to groundbreaking ClearZone FlowCoat technology, engineered to eliminate fog inside and prevent scratches outside. As you stare down your objective through distortion-free ESSOPTICS, you'll see just how optically precise vision can be. The innovative DedBolt Lens Lock pivots up for easy release, then clamps down for rock-solid retention under impact.