Ray-Ban RB4397 Corrigan Bio-Based sunglasses are a must-have for your summer collection. The lightweight bio-acetate frame (containing 67% bio-based carbon content) with transparent yellow stems is perfect for everyday wear. These Sunglasses feature dark blue lenses, so you'll look and feel as good as you'll look. FRAME SHAPE: Irregular FRAME COLOUR: Polished Transparent Yellow FRAME MATERIAL: Moulded Acetate TEMPLE COLOUR: Transparent Yellow LENS COLOUR: Dark Blue TREATMENT: Solid Colour SIZE: 54 20 mm LENS HEIGHT: 42.1mm TEMPLE LENGTH: 145mm FACE COVERAGE: Generous BRIDGE & NOSEPADS: High Bridge Fit Price is usually £144 but Ray-Ban are offering 30% Off at 25 April 2025 Bio-acetate frames are made by mixing cellulose acetate with a new kind of plasticiser, making them biodegradable to help reduce the environmental impact. Ray-Ban's bio-based nylon frames are made of at least 57% bio-based content, replacing fossil-based materials with renewable sources like caster oil. Ray-Ban uses bio-based nylon lenses composed of at least 40% biological content from renewable sources like castor oil to make their sunglasses more sustainable.
