The Rolf Otta S is an optical frame made from Substance, Rolf's proprietary plant-based material derived from castor beans. 3D printed in the Tyrolean Alps, Austria with a patented Flexlock hinge, each frame is lightweight, flexible, and fully sustainable. Rolf Substance won the European Green Award for pioneering eco-friendly eyewear design.
Substance is made from the purely plant-based material of the castor bean and impresses with its fantastic wearing comfort, robustness and simultaneous lightness. The patented Flexlock® hinge makes the frame flexible and very durable at the same time.
Details Handmade in Austria Sustainably produced Plant-based material High-quality lenses Patented Flexlock® joint
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