Get outside and shine in these eye-catching sunlight-activated aviator glasses. The shiny TR90 plastic frame goes from clear to colorful when exposed to direct sunlight which will add a fun surprise to any outing (try them with photochromic lenses!). The look is ultra lightweight and flexible making it comfortable for all-day wear. This style comes in two color options: blue or purple. *Color saturation will vary based on exposure to sunlight. | Zenni Aviator Prescription Glasses Blue TR Full Rim Frame