{"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. 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.\u003cbr\u003e\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\u003cbr\u003e\u003c\/p\u003e","brand":"Naturalist-Mattress","offers":[{"title":"80x200 cm","offer_id":57089455161676,"sku":"NM-HP-80FFF","price":1323.0,"currency_code":"EUR","in_stock":true},{"title":"90x200 cm","offer_id":57089455194444,"sku":"NM-HP-90FFF","price":1323.0,"currency_code":"EUR","in_stock":true},{"title":"160x200 cm","offer_id":57089455227212,"sku":"NM-HP-160FFF","price":2277.0,"currency_code":"EUR","in_stock":true},{"title":"180x200 cm","offer_id":57089455259980,"sku":"NM-HP-180FFF","price":2277.0,"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\/products\/naturalist-full-latex-plus-mattress-firm","provider":"Naturalist mattress","version":"1.0","type":"link"}