Sunglasses cat.3With its UV category 3 lenses, the Slim provides optimal protection against the dangers of the sun's rays. Ultra thinThe Slim is aptly named. Ultra thin, it combines elegance and lightness. 20% thinner than the iconic #D model, it is without question a technical and design feat. Ultra lightTo guarantee optimal comfort - ultra-light frame weighing only 12 grams ! The Slim is 40% lighter than the iconic #D model. Biosourced frameFor this second edition of Izipizi Studio, they have created their first responsible and planet-friendly frame, based on a 45% bio-based material. This biosourced material is derived from a 100% natural element: castor oil.