The ESS Crossbow Clear Replacement Lens offers make your eyeshield more adaptable and practical. The lenses are 2.4mm high-impact polycarbonate and feature ESSOPTICS for distortion-free clarity and 100% UVA/UVB protection. The lens technology, ClearZone FlowCoat, is engineered to eliminate fog inside and prevent scratches on the outside. Designed for the Crossbow Tri-Tech Fit frames and the Crossbow Suppressor frames, this lens includes a black Low-Pro Nosepiece and a protective flannel sleeve.