ESS Crossblade NARO Replacement Lens NARO Hi-Def Copper. Users can choose between a Standard lens and nosepiece or NARO lens and NARO nosepeice. With the modular fit system the Crossblade can be set specifically to fit the end users facial structure. Modular Fit equals preformance and comfort. The Crossblade's Tri-Tech Fit frame features a snug fit with zero pressure points. Advanced ClearZone 2.0 Dual Flow Coated lenses are engineered to eliminate fog inside and prevent scratches outside. Distortion-free ESSOPTICS keep your vision rasor sharp and the DedBolt Lens Lock pivot allows rapid lens exchanges. Specifications for ESS Crossblade NARO Replacement Lens: Manufacturer: ESS Quantity: 1 Lens Shape: Shield Gender: Unisex Package Contents: ESS Crossblade NARO Replacement Lens ESS 102-190-006: Crossblade NARO Replacement Lens NARO Hi-Def Copper