The ESS Crossblade Eyeshield features advanced ClearZone anti-fog coatings plus two different sized lens and nosepiece options to allow for customizable modular fit. The Crossblade Tri-Tech Fit frame features a snug fit with zero pressure points. Advanced ClearZone dual flow coated lenses are engineered to eliminate fog inside and prevent scratches outside. Distortion-free ESSOPTICS keep your vision razor sharp and the DedBolt lens Lock pivot allows for rapid lens exchanges.