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Extra Firm
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On Sale
Overview
- SleepMatch: red
Sleepworld Express 13" Innerspring Extra Firm Mattress
- Extra firm coil system keeps your spine locked in
- Cooling stretch knit top pulls heat away all night
- Gel memory foam layer cushions without going soft
- High-density upholstery layers resist body impressions
- Fabric-wrapped coils reduce motion so you sleep undisturbed
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In Stock
Overview
Sleepworld Express 13" Innerspring Extra Firm Mattress · Full
⭐⭐⭐⭐½ 4.5 · 10+ verified sleepers
The Sleepworld Express 13" Innerspring Extra Firm Mattress is an innerspring mattress built for back and stomach sleepers who need an unyielding surface that holds its shape night after night. At 13 inches tall, it pairs super heavy gauge fabric-wrapped coils with high-density upholstery grade support layers to keep your lumbar lifted and your posture neutral from the moment you lie down. A heavyweight cold stretch knit quilt panel sits at the surface to move heat away, while a gel-infused cool memory foam layer underneath adds just enough cushion to take the edge off without compromising the firm, flat feel. Stop into any Mancini's Sleepworld location and let one of our sleep specialists put this right next to every competing option so you can feel the difference yourself.
COMFORT AND FEEL: Extra firm and flat with coil-driven lift that keeps the lumbar from sinking.
SIZE: This full sized mattress is 54 inches wide and 75 inches long, a smart fit for solo sleepers, teens, or a dedicated guest room.
BEST SLEEP MATCH: Back and stomach sleepers will get the most from this extra firm mattress for back pain relief. The coil system and dense support layers keep the hips from dropping, so your spine stays neutral all night.
BEST FOR: Ideal for sleepers who need a no-give surface, wake up with lower back tension, or run warm through the night.
CONSTRUCTION SPECIFICATIONS: The heavyweight cold stretch knit cover is built to regulate temperature from the first night. A gel-infused cool memory foam layer adds light cushion without softening the feel underfoot. Super heavy gauge fabric-wrapped coils deliver extra firm push-back and absorb motion between sleep partners. Super high-density upholstery grade layers underneath resist compression so the mattress holds its shape for years. CertiPUR-US certified foams inside.
SETUP AND COMPATIBILITY: This bed-in-a-box arrives rolled and compressed, expands within hours, and needs no tools. Compatible with adjustable bases, platform frames, and box springs.
NOT A FIT FOR: Side sleepers who need shoulder and hip pressure relief will likely find this surface too firm. Not recommended for sleepers who prefer a plush or contouring feel.
YOUR SLEEP, BACKED BY US
Every mattress at Mancini's Sleepworld comes with a 120-night comfort guarantee as part of our Rest Easy Promise, plus our Best Price Guarantee and free next-day delivery with in-home professional setup available. Add a premium mattress protector at the time of purchase and you can upgrade your guarantee to a full 365 nights. Visit any Mancini's Sleepworld showroom to try this before you buy, and ask about flexible financing options that fit your budget.
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
- SleepMatch: red

Sleepworld Express 13" Innerspring Extra Firm Mattress
Features
- SKU: BRK-B500-4M-XF-25
- MPN: 25WICRAFEF46
- GTIN: 810146416456
- Brand: Sleepworld
- Collection: Express
- Type: Innerspring
- Mattress In A Box: Yes
- Firmness: Extra Firm
- Height: 13
- Length: 75
- Width: 54
- Shipping Height: 42
- Shipping Width: 15
- Shipping Length: 15
- Warranty: 10 Year
- Cover Material: Polyester Knit
- Quilting Layers: 1.5'' Extra Firm Quilt Foam
- Comfort Layers: 1'' Firm Support H.D. Foam ,1.5'' Extra Firm H.D. Support Foam
- Support System: 790 Pocketed coil + 1.0'' Shock Absorbing H.D. Base Foam
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

