Based on the elegant aviator shape, designed to provide function and style whilst offering maximum eye protection. These premium plant-based clear frames are named in homage to Jellyfish, who have no brain, heart, bones or eyes but do have a stunning ability to be completely translucent in colour. Lenses Lenses are CR39 Polarised - the purest material and closest to mineral glass in terms of transparency and clarity of vision with zero distortion. Certified category 3, UV400 with 100% protection from UV rays. Details: Certified sustainable polarised sunglasses, ethically handmade by artisans Frames are Italian Mazuchelli 1849 - 100% recyclable and 100% biodegradable in 115 days. Frames have a premium feel compared to traditional plastic and greater flexibility. You can adjust the frames with heat to curve or widen to fit. Comes with GOTS-certified organic cotton pouch and cleaning cloth Frame measurements Lens width: 55mm Bridge width: 16mm Temple length: 145mm