{"id":4358,"date":"2026-01-07T12:21:48","date_gmt":"2026-01-07T17:21:48","guid":{"rendered":"https:\/\/matelasexpert.s02.redboxstaging.com\/produit\/mattress-lextra\/"},"modified":"2026-03-04T15:19:51","modified_gmt":"2026-03-04T20:19:51","slug":"mattress-lextra","status":"publish","type":"product","link":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/mattress-lextra\/","title":{"rendered":"Mattress L&#8217;Extra"},"content":{"rendered":"<h2>Switchfoam <strong>L&#8217;Extra<\/strong> Mattress<\/h2>\n<h3>The premium, evolving, and durable mattress<\/h3>\n<p>The <strong>Switchfoam L&#8217;Extra mattress<\/strong> represents the pinnacle of custom comfort and sleep innovation. Designed for discerning sleepers, it combines a <strong>firm firmness<\/strong>, <strong>durable Switchfoam\u2122 technology<\/strong>, and a <strong>honeycomb-pattern pocketed coil base<\/strong>, delivering exceptional, stable, and long-lasting support.<\/p>\n<p>Thanks to its unique evolving concept, the L&#8217;Extra mattress adapts not only to your body shape, but also to your lifestyle \u2014 today and in the future.<\/p>\n<hr \/>\n<h3>Switchfoam\u2122 Technology \u2013 Comfort That Evolves With You<\/h3>\n<p>The <strong>Switchfoam\u2122<\/strong> technology allows you to create a truly personalized mattress, directly in-store with the guidance of our sleep experts. Unlike traditional mattresses, the Switchfoam is designed to <strong>evolve over time<\/strong>, allowing the comfort layers to be replaced or adjusted according to your future needs.<\/p>\n<p>It is a smart, durable, and responsible investment.<\/p>\n<hr \/>\n<h3>Firm and Precise Support \u2013 Honeycomb-Pattern Pocketed Coil Base<\/h3>\n<p>The base of the <strong>L&#8217;Extra<\/strong> mattress is made up of <strong>pocketed coils arranged in a honeycomb pattern<\/strong>, maximizing their number and effectiveness.<br \/>\nResult:<\/p>\n<ul>\n<li>Firm and uniform support<\/li>\n<li>Excellent stability<\/li>\n<li>Optimal spinal alignment<\/li>\n<li>Superior motion isolation<\/li>\n<\/ul>\n<p>Ideal for people looking for <strong>firm<\/strong>, durable, and high-performing support.<\/p>\n<hr \/>\n<h3>Premium Mattress, Built to Last<\/h3>\n<p>The Switchfoam L&#8217;Extra is made with <strong>very high-quality materials<\/strong>, selected for their performance and longevity. Its modular design reduces premature wear and considerably extends the mattress&#8217;s lifespan.<\/p>\n<p>\u2714 <strong>25-year<\/strong> warranty<br \/>\n\u2714 Durable and responsible technology<br \/>\n\u2714 Unique evolving design on the market<\/p>\n<hr \/>\n<h3>Why Choose the Switchfoam L&#8217;Extra?<\/h3>\n<ul>\n<li><strong>Premium<\/strong> and customizable mattress<\/li>\n<li><strong>Firm<\/strong> firmness, ideal for optimal support<\/li>\n<li>Honeycomb-pattern <strong>pocketed coils<\/strong><\/li>\n<li><strong>Evolving Switchfoam\u2122<\/strong> technology<\/li>\n<li><strong>25-year<\/strong> warranty<\/li>\n<li>Adjustable comfort with the help of our in-store experts<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The <strong>Switchfoam L&#8217;Extra mattress<\/strong> is a <strong>premium firm mattress<\/strong>, designed with <strong>durable Switchfoam\u2122 technology<\/strong> to deliver evolving, personalized comfort. Its <strong>honeycomb-pattern pocketed coil base<\/strong> ensures exceptional support, great stability, and optimal alignment. Customizable in-store and backed by a <strong>25-year warranty<\/strong>, it is a lasting investment for superior quality sleep.<\/p>\n","protected":false},"featured_media":3377,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[],"product_cat":[277],"product_tag":[],"autre_caracteristiques":[386,395,393,377,383,380],"class_list":{"0":"post-4358","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-mattress","7":"product_shipping_class-matelas","8":"autre_caracteristiques-25-year-warranty","9":"autre_caracteristiques-extra-firm","10":"autre_caracteristiques-firm","11":"autre_caracteristiques-lumbar-support","12":"autre_caracteristiques-quincunx-pocket-springs","13":"autre_caracteristiques-reinforced-contour","15":"first","16":"instock","17":"sale","18":"taxable","19":"shipping-taxable","20":"purchasable","21":"product-type-variable","22":"rtwpvs-product"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mattress L&#039;Extra | Matelas Expert<\/title>\n<meta name=\"description\" content=\"The Switchfoam L&#039;Extra mattress is a premium firm mattress, designed with durable Switchfoam\u2122 technology to deliver evolving, personalized comfort. 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