{"product_id":"madrid-eva-black-narrow","title":"Madrid Eva Black Narrow","description":"\u003cp\u003eThe Birkenstock Madrid is the oldest member of the family of models, making it a classic. Launched as a “fitness sandal” half a century ago, this simple single-strap model has gone on to become a firm fashion favourite. Its function and design have largely remained unchanged. The special positioning of the strap gently trains the muscles in the feet and calves with each step – the toes’ grip reflexes trigger this effect.\u003c\/p\u003e\n\u003cul class=\"product-feature--container\"\u003e\n\u003cli\u003eAnatomically shaped footbed made from waterproof EVA\u003c\/li\u003e\n\u003cli\u003eUpper\/footbed lining\/sole: molded single piece of EVA\u003c\/li\u003e\n\u003cli\u003eSole: EVA\u003c\/li\u003e\n\u003cli\u003eVegan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"StockX","offers":[{"title":"Black \/ 36","offer_id":43727827992642,"sku":"MEBN3704","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 37","offer_id":43727828025410,"sku":"MEBN3705","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 38","offer_id":43727828058178,"sku":"MEBN3706","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 39","offer_id":43727828090946,"sku":"MEBN3707","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 40","offer_id":43727828123714,"sku":"MEBN3708","price":69.99,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 41","offer_id":43727828156482,"sku":"MEBN3709","price":69.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/4555\/4242\/files\/1_dc5820c9-00c0-47e5-bda0-972d92993fd1.png?v=1778335620","url":"https:\/\/zynirvana.co.uk\/es\/products\/madrid-eva-black-narrow","provider":"ZYNIRVANA®","version":"1.0","type":"link"}