Bolle Vigilante Sunglasses w/ Interchangable CompetiVision & Polarized TNS Lenses - Matte Black Prescription lens adaptable 100% UV Protection Lenses: Interchangable: one (1) set of CompetiVision (green) / one (1) set of TNS Gun (grey) Lens Material: Polarized Polycarbonate (lightweight) GBO00102