Step out of Doc’s DeLorean with the futuristic style of the 509 Element 5 Sunglasses. Like all 509 sunglasses, the Element 5 is inspired by our unique lifestyle. We go hard, get dirty, and demand sunglasses that can keep up. Featuring Polarized FUSION 5 lenses and shockingly lightweight, comfortable, and tough TR90 Swiss thermoplastic frames, 509 sunglasses are simply built better. All styles backed by a fit guarantee and 1 year warranty.