New Mita Blue Blockers Metal. Never worn Mita- Sustainably Designed High Fashion Our sunglasses, cleaning cloths, and cases are made with sustainable and eco-friendly materials. We upcycle rPET bottles and aluminum to create durable and fashion-forward eyewear that leaves minimal impact on the environment and prevents plastic waste from ending up in the ocean and landfills. So when you step out in a pair of high-quality MITA Eyewear, you can be sure you’re doing your bit while also projecting your best self to the world.