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Luxury Firm
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On Sale
Overview
- SleepMatch: blue
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5"
- Built for lasting back support without giving up surface comfort
- Pocketed coil system moves independently to reduce motion transfer
- Stretch knit cover gives with your body from the first night
- High-density foam layers hold their shape year after year
- CertiPUR-US certified foams safe for any bedroom environment
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In Stock
Overview
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5" Twin
The Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5" is an innerspring mattress built for back sleepers who need real spinal support without waking up feeling like they slept on a board. A heavyweight 4-way stretch knit cover wraps over a super soft quilt foam layer, letting the surface give just enough to take pressure off your hips and shoulders. Beneath that, 790 individually wrapped pocketed coils respond to your body independently, keeping the spine lifted all night. High-density medium firm comfort foam and a shock-absorbing base round out a build that is made to hold up, not just feel good on day one. Stop by any Mancini's Sleepworld location and a sleep specialist will put this right next to competing options so you can feel the difference yourself.
COMFORT AND FEEL: Luxury firm feel with gentle surface cushion and steady lumbar support underneath.
SIZE: This twin sized mattress is a natural fit for a solo sleeper, teen bedroom, or a compact guest room.
BEST SLEEP MATCH: Best for back sleepers and some side sleepers who want a luxury firm mattress for back pain relief. The quilted surface softens the firmness just enough so your hips don't bear the full load.
BEST FOR: Ideal for sleepers who need consistent lumbar support, want a coil mattress that limits motion transfer, or need a durable build that won't soften out early.
CONSTRUCTION SPECIFICATIONS: The stretch knit surface moves with you and cushions pressure points on contact. Super soft quilt foam sits directly beneath the cover for an immediate gentle feel. Eight inches of 790 pocketed coils respond individually, keeping your spine properly aligned. A high-density comfort foam layer and shock-absorbing base hold the mattress structure long-term. Foams are CertiPUR-US certified.
SETUP AND COMPATIBILITY: Delivered flat with white-glove in-home setup included. Compatible with adjustable bases, platform frames, and box springs. No tools needed.
NOT A FIT FOR: Sleepers who prefer a plush or pillow-top feel may find this too firm. Not recommended for combination sleepers who need deep contouring through the hips.
YOUR SLEEP, BACKED BY US
Every mattress at Mancini's Sleepworld comes with a 120-night comfort guarantee and the Rest Easy Promise, so you can buy with confidence. Add a premium mattress protector at the time of purchase and you can extend that to a full 365 nights. You also get the Best Price Guarantee, free next-day delivery, in-home professional setup, and flexible financing. Come try this mattress 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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Edge Support
- SleepMatch: blue
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5"
Features
- SKU: BRK-DIA-3M-LF-25
- MPN: 25WICOTM_FP33
- GTIN: 810146418832
- Brand: Mancini's
- Collection: Sleepworld
- Type: Innerspring
- Mattress In A Box: No
- Firmness: Luxury Firm
- Height: 11.5
- Length: 75
- Width: 39
- Shipping Height: 11.5
- Shipping Width: 75
- Shipping Length: 38
- Warranty: 10 Year
- Cover Material: Polyester Knit
- Quilting Layers: 1 1/2'' Super Soft Quilt Foam
- Comfort Layers: 1 1/2'' Medium Firm Comfort H.D. Foam
- Support System: 8'' 790 Pocketed coil, 3/4'' 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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Edge Support: Yes