The Serengeti Delio Sunglasses are modern and dynamic. The Shiny Honey frame with Mineral 555nm Polarised Lenses will match you with escapades and getaways. Serengeti Eyewear is a high-end and unique brand that combines the most advanced technologies to create the finest eyewear. This lens offers a category 2 and when activated by the sun's absorption turns into a category 3 for high UV protection.