{"product_id":"haverhill-firm-tight-top-innerspring-mattress","title":"Haverhill Firm Tight Top Innerspring Mattress","description":"\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003eFirm comfort crafted for lasting support and everyday wellness.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003eThe King Koil Haverhill Firm Mattress offers sturdy, dependable support for those who prefer a firmer sleep surface. Designed to keep the spine properly aligned, it provides minimal sink-in feel and consistent comfort across the entire mattress. Its handcrafted construction promotes breathability and a cooler night’s rest.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003cb\u003eBest for back and stomach sleepers\u003c\/b\u003e who want solid, stable support with just a touch of softness. \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e \u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eComfort Level: \u003c\/b\u003eFirm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cb\u003eHandmade in the USA\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eSleep Style: \u003c\/b\u003eBack and Stomach Sleepers\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eMattress Type: \u003c\/b\u003eInnerspring with latex, foam, and natural cotton\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eAdjustable Base Compatible: \u003c\/b\u003eYes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eBenefits: \u003c\/b\u003eLuxurious handcrafted comfort, cooling airflow, pressure relief, motion isolation, and durable edge-to-edge stability\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eSustainability: \u003c\/b\u003eCertiPUR-US® certified foams, eco-friendly Tencel® panel, breathable natural fibers, and handcrafted construction for long-lasting performance\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eQuilt: \u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eA plush, breathable quilt designed for cool comfort and gentle contouring.\u003c\/span\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003eFour-way stretch knit with Tencel® for softness and temperature control\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eSilk and wool blend enhances airflow and moisture wicking\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003ePlush quilt foam and gel-infused convoluted foam add cushioning comfort\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eAntimicrobial safeguard FR fiber promotes a clean, fresh sleep surface\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eTailormade tufting for a refined, hand-finished look\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eComfort Layers\u003c\/b\u003e: Premium natural and performance materials provide firm, balanced support.\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e1\" Plush Graphite Talalay Latex — naturally breathable and temperature regulating\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e1\" Cotton Topper — soft, resilient comfort from natural fibers\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e2\" Firm Support Foam — stable, pressure-relieving foundation for proper alignment \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eSupport System: \u003c\/b\u003eEngineered for precision, stability, and motion isolation.\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e8\" ContourFlex™ Encased Coil System (825 coils, 13.75-gauge) — individually wrapped coils conform to your body and minimize partner disturbance\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eExcellent Edge™ FE foam encasement reinforces the perimeter for a larger, more stable sleep surface\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eEnhanced 1\" Balanced Base Foam\u003cb style=\"font-size: 0.875rem;\"\u003e \u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eprovides consistent durability and support \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eRecommended Foundation: \u003c\/b\u003e\u003ca href=\"https:\/\/www.citymattress.com\/products\/rio-2-0-adjustable-bed-base?_pos=1\u0026amp;_psq=rio+2.0\u0026amp;_ss=e\u0026amp;_v=1.0\"\u003eRio 2.0 Adjustable Bed Base | City Mattress\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eWarranty: \u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e10 Years Non-Prorated \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eDimensions:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eTwin Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 38\" W x 75\" D x 14.5” H; 71lbs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eTwin XL Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 37\" W x 80\" D x 14.5” H; 69lbs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eFull Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 53\" W x 75\" D x 14.5” H; 82lbs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eQueen Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 60\" W x 80\" D x 14.5” H; 88lbs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eSplit Head Queen Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 60\" W x 80\" D x 14.5” H; 89lbs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eKing Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 76\" W x 80\" D x 14.5” H; 105lbs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eSplit Head King Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 76\" W x 80\" D x 14.5” H; 107lbs.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb style=\"font-size: 0.875rem;\"\u003eCali King Size:\u003c\/b\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e 72\" W x 84\" D x 14.5” H; 104lbs. \u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"King Koil","offers":[{"title":"Twin","offer_id":47847465320625,"sku":"HAVERHILL-TFM","price":1649.99,"currency_code":"USD","in_stock":true},{"title":"Twin XL","offer_id":47847465353393,"sku":"HAVERHILL-TXLFM","price":1749.99,"currency_code":"USD","in_stock":true},{"title":"Full","offer_id":47847465386161,"sku":"HAVERHILL-FFM","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"Queen","offer_id":47847465418929,"sku":"HAVERHILL-QFM","price":2299.99,"currency_code":"USD","in_stock":true},{"title":"Split-Head Queen","offer_id":47847465451697,"sku":"HAVERHILL-QSHFM","price":2599.99,"currency_code":"USD","in_stock":true},{"title":"King","offer_id":47847465484465,"sku":"HAVERHILL-KFM","price":2999.99,"currency_code":"USD","in_stock":true},{"title":"Split-Head King","offer_id":47847465517233,"sku":"HAVERHILL-KSHFM","price":3499.99,"currency_code":"USD","in_stock":true},{"title":"California King","offer_id":47847465550001,"sku":"HAVERHILL-CKFM","price":2999.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/city-mattress-stg.myshopify.com\/products\/haverhill-firm-tight-top-innerspring-mattress","provider":"City Mattress Staging","version":"1.0","type":"link"}