Zeal Cascade SunglassesABOUT CASCADE We are fed by gravity. The call of the mountains guides us to push for the summits, but it is the downhill pursuits that drive us. Like water cascading out of the mountains in spring, to refuel the land and our spirits, the CASCADE is a celebration of our roots in the mountains and our thirst to Explore More! The CASCADE is inspired by ZEAL's classic frames, adding performance elements to a timeless frame, featuring our plant based,