Electric Knoxville Union sunglasses. While many choose to look back, we continue pushing forward. A wire rim lens topped by the sharp details of the Knoxville frame, create a perfect union of form, function, and style resulting in a balanced design that is clearly ahead of its time. Italian craftsmanship add substance to the unquestionable appeal of this new modern classic. Lightweight six base mold injected Grilamid frame. Six base grey polycarbonate lens. Three barrel stainless steel optical hinge. Electric logo at temples. 100% UV protection. 98% Blue light protection. Imported.