Great performance at an unbeatable price. The Park has a robust TPU frame for high wear and abrasion resistance. The innovative F°SCAPE Anti-Fog technology uses tiny etched channels on the glass surface to ensure that condensed water is immediately drained away, preventing the glass from fogging up. The FREE°D technology corrects light refractions, thereby preventing optical distortions.Smoke/Blue LensThis cylindrical lens is ideal for sunny and partly cloudy conditions.