The ESS Crossblade One Eyeshield features advanced ClearZone Anti-fog coatings plus two different sized lens and nosepiece options to allow for customizable modular fit. Users can choose between a Standard lens and nosepiece or NARO lens and NARO nosepiece. With the modular system, the Crossblade can be set specifically to fit the end users facial structure. Modular Fit equals performance and comfort. The Crossblade’s 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. NOTE: As part of the ESSCross-Series eyeshield platform, all Crossblade lenses are compatible and interchangeable with the ESS Crossbow, Crosshair andSuppressor frames. Crossblade Standard and Crossblade NARO nosepieces are NOT interchangeable with the other Cross-Series products. ESS Crossblade is compliant with U.S. Federal OSHA, ANSI Z87.1-2015, CE EN 166 and U.S. MIL-PRF-32432A. The ESS Crossblade ONE: Crossblade ONE Gray: Standard retail version features one complete Eyeshield: One Black frame with Standard Smoke Gray lens fitted with Standard Crossblade nosepiece.