{"product_id":"rolf-back-m-optical","title":"Rolf Back M Optical","description":"\u003c!-- VO-SEO-INTRO --\u003e\n\u003cp\u003eThe Rolf Back M 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. Available at Visionary Optics' three NYC locations or online with same-day ZEISS prescription lenses.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eSubstance 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.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHandmade in Austria\u003c\/li\u003e\n\u003cli\u003eSustainably produced\u003c\/li\u003e\n\u003cli\u003ePlant-based material\u003c\/li\u003e\n\u003cli\u003eHigh-quality lenses\u003c\/li\u003e\n\u003cli\u003ePatented Flexlock® joint\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMeasurements\u003c\/strong\u003e\u003cbr\u003eA:53 B:39 DBL:15\u003c\/p\u003e","brand":"Rolf Substance","offers":[{"title":"02 Grey Grey Blue","offer_id":48015377760410,"sku":"3RD 24865","price":625.0,"currency_code":"USD","in_stock":true},{"title":"06 Brown Grey","offer_id":48015377825946,"sku":"3RD 14631","price":625.0,"currency_code":"USD","in_stock":true},{"title":"Ring 0102 01 Gentle Black Grey","offer_id":48015377858714,"sku":"3RD 27459","price":695.0,"currency_code":"USD","in_stock":true},{"title":"02 Honey Grey Blue","offer_id":48015386738842,"sku":"BK 22630","price":695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1661\/3786\/files\/PBM130-Rolf-Substance-M-135-b4-Back-greyblue-front-245-bgfix.jpg?v=1778803718","url":"https:\/\/visionaryoptics.com\/products\/rolf-back-m-optical","provider":"Visionary Optics","version":"1.0","type":"link"}