See Below the Surface: Because glare is every angler's adversary, we made the Smith Hookset with glare-cutting polarization that enhances contrast and depth perception, whether you are fighting your catch in open water or standing waist deep in a mountain stream Lightweight, Durable Frame: Built with sustainable Evolve bio-based frame material that’s lightweight and durable; spring hinges add extra flex for comfortable snug fit Make the Details Pop: Features ChromaPop lens technology that helps enhance definition, contrast and natural color so you never miss a detail; the smudge- and moisture-resistant coatings mean easy cleaning & clear optics Case Included: Your new favorite sunglasses are protected thanks to the included PivLock detachable sunglass leash, hard case and microfiber pouch Born on the Mountain, Built from Innovation: Smith is a performance eyewear and helmet brand for those inspired to pursue new and deeper connections with the outdoors; we’ve been outfitting consumers with the confidence to experience more since 1965