{"product_id":"naturalist-full-latex-plus-mattress-firm","title":"Naturalist Altum — Firm","description":"\u003cp\u003eThe Altum Firm is built from three firm natural latex layers — the deepest structural construction in the full latex range. At 23.5 cm high, it is designed for back and stomach sleepers who need firm support throughout the mattress, not just at the surface.\u003c\/p\u003e\n\u003cp\u003eNatural latex retains its structural properties over time — sourced from GOLS certified suppliers, with a tested lifespan of 20+ years.\u003c\/p\u003e\n\u003cp\u003e• 23.5 cm profile for enhanced support and durability\u003cbr\u003e• Three firm natural latex layers — deepest structural support in the latex range\u003cbr\u003e• Designed for back and stomach sleepers who need consistent firm support\u003cbr\u003e• Minimal surface compression — body is kept elevated and supported\u003cbr\u003e• Natural latex sourced from GOLS certified suppliers — structural properties maintained for 20+ years\u003c\/p\u003e","brand":"Naturalist-Mattress","offers":[{"title":"80x200 cm","offer_id":57089455161676,"sku":"NM-HP-80FFF","price":1059.0,"currency_code":"EUR","in_stock":true},{"title":"90x200 cm","offer_id":57089455194444,"sku":"NM-HP-90FFF","price":1169.0,"currency_code":"EUR","in_stock":true},{"title":"160x200 cm","offer_id":57089455227212,"sku":"NM-HP-160FFF","price":1849.0,"currency_code":"EUR","in_stock":true},{"title":"180x200 cm","offer_id":57089455259980,"sku":"NM-HP-180FFF","price":1959.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/9466\/6572\/files\/Altum_Firm.png?v=1775812712","url":"https:\/\/naturalistmattress.com\/pt\/products\/naturalist-full-latex-plus-mattress-firm","provider":"Naturalist mattress","version":"1.0","type":"link"}