NELSON - This style is named after finding a gem at a dockside market, and a friendly local met on a corner, in El Raval Barcelona. Inspiration: Made in 1950's America, often standard army issue and considered butters in their time. Olive sunglasses with night black lenses and transparent olive frames All Oscar Deen frames are made from Mazzucchelli acetate. They're Italian and have been top of the game since 1849\. While their lenses are made from organic plastic. A combination of light-weight and optical clarity. The tinted lenses are made from lightweight CR-39 plastic and coated for proper UV protection. Each pair of sunglasses comes with a case made in collaboration with London based leather artisan Otis Ingrams. Each one is hand made in London, from 2 pieces of recycled composite leather, 4 brass rivets and one brass stud. Includes a cleaning cloth.