{"product_id":"serta-icomfort-pro-granbury-mattress-level-one-extra-firm-available-in-twin-xl-full-queen-king-and-cal-king-sizes","title":"Serta iComfort Pro Granbury Mattress Level One Extra Firm ~ Available in Twin XL, Queen, King and Cal King Sizes","description":"\u003cstyle\u003e\n.accordion-container{max-width:1200px;margin:0 auto;font-family:Montserrat,sans-serif}\n.accordion-item{margin-bottom:15px;border:1px solid #e0e0e0;border-radius:8px;overflow:hidden;background:#fff}\n.accordion-header{background:#fff;color:#000;padding:18px 24px;cursor:pointer;font-size:18px;font-weight:600;display:flex;justify-content:space-between;align-items:center;transition:all .3s ease;border-bottom:1px solid #e0e0e0}\n.accordion-header:hover{background:#f8f8f8}\n.accordion-header::after{content:'+';font-size:24px;font-weight:300;transition:transform .3s ease}\n.accordion-header.active{background:#f5f5f5}\n.accordion-header.active::after{transform:rotate(45deg)}\n.accordion-content{max-height:0;overflow:hidden;transition:max-height .3s ease}\n.accordion-content.active{max-height:5000px}\n.content-inner{padding:24px;line-height:1.8;color:#333}\n.content-inner h3{color:#000;margin-top:24px;margin-bottom:12px;font-size:20px;font-weight:600}\n.content-inner p{margin-bottom:16px}\n.content-inner ul{margin:16px 0;padding-left:24px}\n.content-inner ul li{margin-bottom:8px}\n.specs-table{width:100%;border-collapse:collapse;margin:20px 0}\n.specs-table td{padding:12px;border-bottom:1px solid #e0e0e0}\n.specs-table td:first-child{font-weight:600;width:40%}\n.cta-box{background:transparent;color:#000;padding:30px;border:2px solid #000;border-radius:8px;margin-top:30px;text-align:center}\n.cta-box h3{color:#000;margin:0 0 10px;font-size:22px}\n.cta-box p{margin:0 0 15px;color:#000}\n.cta-box a{color:#000;text-decoration:underline;font-weight:600}\n\u003c\/style\u003e\n\n\u003cdiv class=\"accordion-container\"\u003e\n\n\u003cdiv class=\"accordion-item\"\u003e\n\u003cdiv class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003e\nSerta iComfort Pro Granbury Extra Firm Mattress\n\u003c\/div\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cdiv class=\"content-inner\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eSerta iComfort Pro Granbury\u003c\/strong\u003e features \u003cstrong\u003eLevel One Extra Firm comfort\u003c\/strong\u003e with \u003cstrong\u003e5 ZoneResponse Design\u003c\/strong\u003e for maximum spinal support. Includes \u003cstrong\u003e2 inches of 100% naturally-derived True Response Latex Foam\u003c\/strong\u003e from rubber tree sap without fillers, delivering firm responsive support with increased breathability. \u003cstrong\u003eCoolFeel Pro Fabric\u003c\/strong\u003e and breathable latex maintain comfortable temperature. \u003cstrong\u003eBest for stomach sleepers and back sleepers\u003c\/strong\u003e who prefer extra firm support. Available in Twin XL, Queen, King, and Cal King. \u003cstrong\u003e100% USA Assembled\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"accordion-item\"\u003e\n\u003cdiv class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003e\nSpecifications\n\u003c\/div\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cdiv class=\"content-inner\"\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollection\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSerta iComfort Pro Granbury\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComfort Level\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eLevel One Extra Firm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Sizes\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTwin XL, Queen, King, Cal King\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport System\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e5 ZoneResponse Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatex Layer\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e2\" True Response Latex (100% Natural)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover Fabric\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCoolFeel Pro Fabric\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCushioning\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePillowSoft Aire with Airflow Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eStomach and Back Sleepers\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100% USA Assembled\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSerta\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"accordion-item\"\u003e\n\u003cdiv class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003e\nSupport \u0026amp; Cooling\n\u003c\/div\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cdiv class=\"content-inner\"\u003e\n\u003ch3\u003e5 ZoneResponse Design\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e5 zones provide maximum firm support\u003c\/strong\u003e preventing lower back from arching for stomach sleepers. Enhanced support beneath lumbar region maintains proper spinal alignment while firm surface keeps body on even plane without excessive sinking.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Cooling Technology\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCoolFeel Pro cool-to-touch fabric\u003c\/strong\u003e works with \u003cstrong\u003ebreathable latex foam\u003c\/strong\u003e to dissipate heat. \u003cstrong\u003ePillowSoft Aire\u003c\/strong\u003e promotes airflow through rippling design. The firm surface prevents deep sinking that traps heat, maintaining comfortable temperature throughout the night.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"accordion-item\"\u003e\n\u003cdiv class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003e\nCare Instructions\n\u003c\/div\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cdiv class=\"content-inner\"\u003e\n\u003cp\u003eUse mattress protector to guard against stains. Rotate head-to-foot every three to six months. Avoid applying liquids directly to the mattress. Allow new mattress to air out for 24-48 hours after unboxing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"accordion-item\"\u003e\n\u003cdiv class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003e\nFrequently Asked Questions\n\u003c\/div\u003e\n\u003cdiv class=\"accordion-content\"\u003e\n\u003cdiv class=\"content-inner\"\u003e\n\u003ch3\u003eWhat is Level One Extra Firm?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eLevel One Extra Firm provides maximum support\u003c\/strong\u003e with minimal give, ideal for stomach sleepers and back sleepers who need firm surface to prevent lower back arching. The True Response Latex offers just enough responsiveness while maintaining extremely firm foundation.\u003c\/p\u003e\n\n\u003ch3\u003eWho should choose extra firm?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStomach sleepers benefit most from extra firm support\u003c\/strong\u003e that prevents hips from sinking and lower back from arching unnaturally. Back sleepers who prefer firm sleeping surface and heavier individuals seeking maximum support also find extra firm ideal for proper spinal alignment.\u003c\/p\u003e\n\n\u003ch3\u003eWill extra firm be uncomfortable?\u003c\/h3\u003e\n\u003cp\u003eNo, if you prefer firm support. The \u003cstrong\u003e5 ZoneResponse Design ensures targeted comfort\u003c\/strong\u003e while maintaining firm feel. The True Response Latex provides responsive surface that's firm but not hard. Extra firm sleepers report reduced back pain and better alignment.\u003c\/p\u003e\n\n\u003ch3\u003eDoes extra firm still cool well?\u003c\/h3\u003e\n\u003cp\u003eYes, the \u003cstrong\u003eCoolFeel Pro Fabric and breathable latex\u003c\/strong\u003e provide excellent cooling. The extra firm surface actually prevents deep sinking that can trap heat against your body. PillowSoft Aire promotes airflow throughout the mattress for comfortable temperature regulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"cta-box\"\u003e\n\u003ch3\u003eGet 20% Off + Free Delivery\u003c\/h3\u003e\n\u003cp\u003eQuestions about this product? Our specialists are here to help.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"tel:8552233267\"\u003eCall\/Text: 855.223.3267\u003c\/a\u003e | \u003ca href=\"mailto:cs@casabelladecor.net\"\u003eEmail: cs@casabelladecor.net\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\nfunction toggleAccordion(header) {\n  var content = header.nextElementSibling;\n  var isActive = header.classList.contains('active');\n  var allHeaders = document.querySelectorAll('.accordion-header');\n  var allContents = document.querySelectorAll('.accordion-content');\n  \n  for(var i = 0; i \u003c allHeaders.length; i++) {\n    allHeaders[i].classList.remove('active');\n  }\n  for(var i = 0; i \u003c allContents.length; i++) {\n    allContents[i].classList.remove('active');\n  }\n  \n  if(!isActive) {\n    header.classList.add('active');\n    content.classList.add('active');\n  }\n}\n\u003c\/script\u003e","brand":"Serta","offers":[{"title":"TWIN XL","offer_id":44913010507976,"sku":null,"price":1499.0,"currency_code":"USD","in_stock":true},{"title":"QUEEN","offer_id":44913010573512,"sku":null,"price":1999.0,"currency_code":"USD","in_stock":true},{"title":"KING","offer_id":44913010639048,"sku":null,"price":2699.0,"currency_code":"USD","in_stock":true},{"title":"CAL KING","offer_id":44913011491016,"sku":null,"price":2699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8519\/3928\/files\/Serta_iComfort_Pro_Granbury_Mattress_Level_One_Extra_Firm.webp?v=1769357974","url":"https:\/\/casabelladecor.net\/products\/serta-icomfort-pro-granbury-mattress-level-one-extra-firm-available-in-twin-xl-full-queen-king-and-cal-king-sizes","provider":"casabelladecor.net","version":"1.0","type":"link"}