chi li conosce sa che sono introvabili, usati si e no 3 volte per escursioni in Mb ,nessun segno o imperfezioni perfetti.
Completely sealed with a ceramic polymer that binds at the molecular level, its ultra-lightweight magnesium alloy is the metal of fighter jets. A low-profile nosepiece and plush Unobtainium® earsocks maintain a secure grip. The adaptable fit is achieved with custom-engineered spring hinges and molded cam lobes that offer the comfort of progressive earstem tension. Optical clarity is wrapped and raked into a wide panorama of XYZ Optics™ lens geometry. Lens venting creates low-pressure zones for cooling airflow, interchangeable.