MTB Goggles Coast Optics Alta 2 Black - Smoke / ClearMTB Goggles Coast Optics Alta 2 Black Smoke Clear The Alta 2 goggles merge advanced technologies with an engineered, sleek design and sustainable material use for unmatched downhill and enduro mountain biking performance. Boasting a revised, more comfortable fit, expanded field of view, improved compatibility in a wide range of helmets, as well as a fast and secure magnetic lens change, our Alta 2 goggles will have grinning from ear to ear for many