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Stearns and Foster Estate Ultra Firm Mattress 13.5\" Twin XL

The Stearns & Foster Estate Ultra Firm Mattress 13.5\" is an innerspring mattress built for sleepers who need a firm, flat, non-negotiable base of support that holds the spine in line from the first night onward. If you have ever woken up stiff because your mattress gave way under your lower back, this is where that problem ends. It is handcrafted by Certified Master Craftsmen who hand-stitch and hand-sign each bed, which means the build quality is intentional, not incidental. The tight top surface keeps the feel honest and consistent. Stop by any Mancini's Sleepworld location and our sleep specialists will put this next to every competing option so you can feel the difference for yourself.

COMFORT AND FEEL: Ultra firm, flat, and unyielding, with memory foam that cushions without adding softness.

SIZE: This Twin XL sized mattress is ideal for taller single sleepers, college students, or adults upgrading a spare room without sacrificing length.

BEST SLEEP MATCH: Best for stomach and back sleepers who want a firm mattress for back pain relief. The ultra firm feel keeps the pelvis from sinking, which helps the lumbar stay lifted all night.

BEST FOR: Ideal for sleepers who need strict spinal support, carry more weight through the midsection, or have been told by a doctor to avoid soft sleep surfaces.

CONSTRUCTION SPECIFICATIONS: The IntelliCoil® innerspring system uses a patented coil-within-coil design that responds to pressure precisely where your body makes contact. TEMPUR-Indulge™ Memory Foam sits above the coils, cushioning pressure points without letting the surface give way. The TENCEL® fiber cover wicks moisture away through the night.

SETUP AND COMPATIBILITY: Works with an adjustable base, platform frame, or box spring. Delivered flat with professional in-home setup available, no tools required on your end.

NOT A FIT FOR: Side sleepers who need hip and shoulder cushioning will find this feel too rigid. Not recommended for sleepers who prefer any give at the surface.

YOUR SLEEP, BACKED BY US

Every mattress purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee backed by the Rest Easy Promise. Add a premium mattress protector at the time of purchase and you can extend that to a full 365 nights, giving you an entire year to be certain. You also get our Best Price Guarantee, free next-day delivery, flexible financing, and professional in-home setup. Come try it in person at any Mancini's Sleepworld showroom before you decide.

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Stearns & Foster® Estate Ultra Firm Mattress 13.5\" – Queen

The Stearns & Foster® Estate Ultra Firm Mattress 13.5\" is an innerspring mattress built for back and stomach sleepers who need serious spinal support without any sink. At 13.5\" of handcrafted construction, this is the firmest feel in the Estate lineup, and it earns that description. The tight top surface keeps the body elevated and aligned, while TEMPUR-Indulge™ Memory Foam adds just enough give to take the edge off pressure points without compromising the ultra firm feel. If you've been waking up with lower back tension or find that softer surfaces leave you feeling unsupported, this mattress was made for you. Stop by any Mancini's Sleepworld location and our sleep specialists will put this next to every competing option so you can feel the difference yourself.

COMFORT AND FEEL: Ultra firm with a responsive, flat surface that keeps the spine neutral all night.

SIZE: This queen sized mattress is ideal for couples or solo sleepers who want full support across a generous sleep surface.

BEST SLEEP MATCH: Best suited for back and stomach sleepers who need an ultra firm foundation. The tight top surface keeps hips from dropping and the lumbar from rounding, so you actually wake up feeling rested.

BEST FOR: Ideal for sleepers who need firm spinal alignment, struggle with lower back tension, or have been sleeping too soft for too long.

CONSTRUCTION SPECIFICATIONS: TEMPUR-Indulge™ Memory Foam layers, developed by Tempur-Pedic®, contour to the body and ease pressure without letting you sink. The patented IntelliCoil® coil-within-coil innerspring responds to varying body weight for all-night support. The PrecisionEdge™ high-density border holds the perimeter firm. A moisture-wicking TENCEL® cover keeps the surface cool and breathable.

SETUP AND COMPATIBILITY: Compatible with adjustable bases, platform frames, and box springs. Delivered flat with in-home professional setup available.

NOT A FIT FOR: Side sleepers who need hip and shoulder cushioning, or anyone who prefers a plush or medium feel.

YOUR SLEEP, BACKED BY US

Every mattress purchase at Mancini's Sleepworld comes backed by a 120-night comfort guarantee, free next-day delivery, in-home professional setup, and our Best Price Guarantee. Want more time to decide? Add a premium mattress protector at checkout and upgrade your guarantee to a full 365 nights. Flexible financing is available, and you're always welcome to try before you buy at any Mancini's Sleepworld location. That's the Rest Easy Promise.

", "gtin8": "SEA-EST-5M-UF-config", "itemCondition": "https://schema.org/NewCondition", "offers": [], "aggregateRating": { "@type": "AggregateRating", "ratingValue": 4.02, "reviewCount": 2976 }, "review": [ { "@type": "Review", "author": { "@type": "Person", "name": "Dream maker" }, "datePublished": "2026-10-09", "name": "Pillow top", "reviewBody": "Love it", "reviewRating": { "@type": "Rating", "ratingValue": 4 } }, { "@type": "Review", "author": { "@type": "Person", "name": "Not a Happy Sleeper!" }, "datePublished": "2026-10-09", "name": "2 years old very uncomfortable", "reviewBody": "I was never totally impressed by this mattress. It was just okay when we first got it. Now, 2 1/2 years later it is so uncomfortable! It is sagging but most likely not enough for replacement, which I don't want another Stearns & Foster mattress anyway. My husband wants me to connect with Stearns & Foster as he says there is a gap of 1 1/2\". I do NOT want the hassle they will certainly give me. We have been sleeping in the guest room on a much less expensive mattress and it is 100 times better than the expensive Stearns & Foster mattress. We went out and bought a foam mattress pad to go on top of the Stearns & Foster mattress to hopefully avoid spending another $4000+ for a new mattress after just 2 years. I Do not recommend, and will never buy another, Stearns & Foster mattress.", "reviewRating": { "@type": "Rating", "ratingValue": 1 } }, { "@type": "Review", "author": { "@type": "Person", "name": "Happy Sleepers" }, "datePublished": "2026-10-09", "name": "Best mattress we've ever had", "reviewBody": "After going through several mattresses over the past 5 years, we can confidently say that our Stearns & Foster is the best one we've ever owned. It strikes the perfect balance between comfort and support, something we struggled to find with every other mattress we tried. It feels like sleeping on a true luxury hotel mattress every night. We couldn't be happier with our purchase and only wish we had found Stearns & Foster sooner!", "reviewRating": { "@type": "Rating", "ratingValue": 5 } }, { "@type": "Review", "author": { "@type": "Person", "name": "Loving it" }, "datePublished": "2026-10-08", "name": "Loving every minute!", "reviewBody": "Best sleeping experience I ever had.... my back aches are a thing of the past.", "reviewRating": { "@type": "Rating", "ratingValue": 5 } }, { "@type": "Review", "author": { "@type": "Person", "name": "Mimi in FTL" }, "datePublished": "2026-10-08", "name": "We are very pleased with our purchase.", "reviewBody": "The pillow top mattress gives us the support and firmness we need for a good night of sleep.\nMy spouse who has issues with her back, has been able to sleep soundly and wake up refreshed every morning. We are very pleased with our purchase as well as the process of ordering directly from Stearns and Foster from selecting the mattress to the delivery, all was perfect.", "reviewRating": { "@type": "Rating", "ratingValue": 5 } }, { "@type": "Review", "author": { "@type": "Person", "name": "Content" }, "datePublished": "2026-10-06", "name": "Quality", "reviewBody": "Second Sterns and Foster we have owned. Will not buy a different brand. This mattress is high quality and very comfortable.", "reviewRating": { "@type": "Rating", "ratingValue": 5 } }, { "@type": "Review", "author": { "@type": "Person", "name": "Dream Sleep" }, "datePublished": "2026-10-06", "name": "Consistency!", "reviewBody": "I enjoyed a S&F mattress for 22 years, and honestly, I felt that it still had some life left in it. Still comfortable and solid after all those years. I was moving to a new house and thought it was probably time to replace the old S&F mattress/boxspring. I ordered a new Queen Lux Estate Tight Top Medium and was delighted to learn that it did not need a boxspring - one less bulky item to move. I ordered the foundation platform with the mattress for support and to extend the life of the mattress. I expected the same quality and comfort from my new S&F mattress and have not been disappointed at all! The biggest take away from this new S&F purchase has been the witnessing of the consistent quality of the product from my initial purchase 22 years ago!", "reviewRating": { "@type": "Rating", "ratingValue": 5 } }, { "@type": "Review", "author": { "@type": "Person", "name": "All in for Sleep" }, "datePublished": "2026-10-05", "name": "Stearns and Foster never disappoints!", "reviewBody": "We have had several mattresses by Stearns and Foster and they never disappoint over the many years we have purchased them. They are built with craftsmanship and attention to detail making sure they are built for longevity. The extra foam strength built into the side walls help maintain the shape and strength of the mattress. The comfortability feels the same whether it be day one or 10 years later. It's a good investment for the quality of your sleep and life.", "reviewRating": { "@type": "Rating", "ratingValue": 5 } }, { "@type": "Review", "author": { "@type": "Person", "name": "Chip" }, "datePublished": "2026-10-05", "name": "Excellent quality and very well built.", "reviewBody": "Much better sleep with our new mattress!!!", "reviewRating": { "@type": "Rating", "ratingValue": 5 } }, { "@type": "Review", "author": { "@type": "Person", "name": "Firm mattress lover" }, "datePublished": "2026-10-04", "name": "Love our new mattress", "reviewBody": "We had bought another brand about 6 years ago and it just didn't hold up. We have always had good luck with Stearns and Foster and this one did not disappoint. We both started sleeping better immediately. I will only purchase their mattresses in the future. They hold up and they make a wonderful firm mattress that doesn't have a pillow top.", "reviewRating": { "@type": "Rating", "ratingValue": 5 } } ] }, "PWRProduct": { "name": "Stearns and Foster Estate Ultra Firm Mattress 13.5\"", "url": "https://www.sleepworld.com/stearns-and-foster-estate--ultra-firm-mattress-13.5in/SEA-EST-3XM-UF.html", "description": "

Stearns and Foster Estate Ultra Firm Mattress 13.5\" Twin XL

The Stearns & Foster Estate Ultra Firm Mattress 13.5\" is an innerspring mattress built for sleepers who need a firm, flat, non-negotiable base of support that holds the spine in line from the first night onward. If you have ever woken up stiff because your mattress gave way under your lower back, this is where that problem ends. It is handcrafted by Certified Master Craftsmen who hand-stitch and hand-sign each bed, which means the build quality is intentional, not incidental. The tight top surface keeps the feel honest and consistent. Stop by any Mancini's Sleepworld location and our sleep specialists will put this next to every competing option so you can feel the difference for yourself.

COMFORT AND FEEL: Ultra firm, flat, and unyielding, with memory foam that cushions without adding softness.

SIZE: This Twin XL sized mattress is ideal for taller single sleepers, college students, or adults upgrading a spare room without sacrificing length.

BEST SLEEP MATCH: Best for stomach and back sleepers who want a firm mattress for back pain relief. The ultra firm feel keeps the pelvis from sinking, which helps the lumbar stay lifted all night.

BEST FOR: Ideal for sleepers who need strict spinal support, carry more weight through the midsection, or have been told by a doctor to avoid soft sleep surfaces.

CONSTRUCTION SPECIFICATIONS: The IntelliCoil® innerspring system uses a patented coil-within-coil design that responds to pressure precisely where your body makes contact. TEMPUR-Indulge™ Memory Foam sits above the coils, cushioning pressure points without letting the surface give way. The TENCEL® fiber cover wicks moisture away through the night.

SETUP AND COMPATIBILITY: Works with an adjustable base, platform frame, or box spring. Delivered flat with professional in-home setup available, no tools required on your end.

NOT A FIT FOR: Side sleepers who need hip and shoulder cushioning will find this feel too rigid. Not recommended for sleepers who prefer any give at the surface.

YOUR SLEEP, BACKED BY US

Every mattress purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee backed by the Rest Easy Promise. Add a premium mattress protector at the time of purchase and you can extend that to a full 365 nights, giving you an entire year to be certain. You also get our Best Price Guarantee, free next-day delivery, flexible financing, and professional in-home setup. Come try it in person at any Mancini's Sleepworld showroom before you decide.

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Stearns and Foster Estate Ultra Firm Mattress 13.5"

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