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Ultra Firm
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Free Gifts
Overview
- SleepMatch: red
Stearns and Foster Estate Ultra Firm Mattress 13.5"
- Built for back and stomach sleepers needing maximum support
- IntelliCoil® innersprings adapt to your body all night
- TEMPUR-Indulge™ Memory Foam relieves pressure without softening feel
- Moisture-wicking TENCEL® cover keeps sleep surface fresh
- Handcrafted construction built to hold its shape for years
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In Stock
Overview
Stearns and Foster Estate Ultra Firm Mattress 13.5" Twin XL
⭐⭐⭐⭐ 3.9 · 10+ verified sleepers
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.
Features
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Suitable For Adjustable Base
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Motion Separation
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Cooling Technology
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Edge Support
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Hand Crafted
- SleepMatch: red

Stearns and Foster Estate Ultra Firm Mattress 13.5"
Features
- SKU: SEA-EST-3XM-UF
- MPN: 53051331
- GTIN: 748369624085
- Brand: Stearns and Foster
- Collection: Estate
- Type: Innerspring
- Mattress In A Box: No
- Firmness: Ultra Firm
- Height: 13.5
- Length: 79
- Width: 38
- Shipping Height: 13.5
- Shipping Width: 79
- Shipping Length: 38
- Warranty: 10 Year Limited
- Weight Capacity: 350
- Cover Material: Tencel
- Quilting Layers: Extra Firm Gel Foam
- Comfort Layers: Indulge Memory Foam, Premium Gel Foam
- Support System: 1504 IntelliCoil Innerspring coil system
Specification
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Suitable For Adjustable Base: Yes
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Motion Separation: Yes
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Cooling Technology: Yes
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Edge Support: Yes
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Hand Crafted: Yes













