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Extra Firm
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On Sale
Mancini's Sleepworld Diamond Extra Firm Mattress 11"-Eastern King
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In Stock
Mancini's Sleepworld Diamond Extra Firm Mattress 11"
Why this Mattress?
- Keeps your spine aligned all night, no exceptions
- Fabric-wrapped pocketed coils absorb motion between sleepers
- Super heavyweight knit cover holds its shape over years
- High-density upholstery-grade foam resists body impressions
- CertiPUR-US certified foams are safe for your home
Overview
Mancini's Sleepworld Diamond Extra Firm Mattress 11" Eastern King
The Mancini's Sleepworld Diamond Extra Firm Mattress 11" is a pocketed coil hybrid mattress built for back sleepers and stomach sleepers who need maximum spinal support without any give. If you've tried medium or firm mattresses and still wake up feeling unsupported through the hips and lumbar, this is the extra firm mattress for back pain relief you've been looking for. It sits at 11 inches, keeps a low profile on taller bed frames, and delivers a consistent feel across the full surface. If you want to feel it before you commit, our sleep specialists at any Mancini's Sleepworld location will put it side by side with every competing option so the difference is obvious.
COMFORT AND FEEL: Flat, extra firm surface with zero give and solid, even spinal resistance from edge to edge.
SIZE: This Eastern King sized mattress is ideal for couples who sleep separately or a single sleeper who wants maximum space to stretch out.
BEST SLEEP MATCH: Best for back sleepers and stomach sleepers who need a firm mattress for back sleepers that holds the spine flat and prevents the hips from sinking overnight.
BEST FOR: Ideal for sleepers who need maximum lumbar support, want to prevent hip sinkage, or have been told by a doctor to sleep on a firmer surface.
CONSTRUCTION SPECIFICATIONS: The heavyweight 4-way stretch knit cover flexes with your body without bunching. A 1.5'' extra firm H.D. comfort layer keeps the surface flat and consistent. Pocketed coils wrapped in fabric move independently to reduce motion transfer. The super high-density upholstery-grade base foam resists softening so the feel stays true for years.
SETUP AND COMPATIBILITY: Compatible with adjustable bases, platform frames, and box springs. Delivered flat with in-home professional setup included and old mattress removal available.
NOT A FIT FOR: Side sleepers who need hip and shoulder cushioning will find this too firm. Not suited for sleepers who prefer any noticeable contouring or pressure-point softness.
YOUR SLEEP, BACKED BY US
Every mattress at Mancini's Sleepworld comes with a 120-night comfort guarantee and our Best Price Guarantee, so you know you paid the right amount. Add a premium mattress protector at checkout and you can upgrade that to a full 365 nights, giving you an entire year to be certain. Free next-day delivery, in-home professional setup, and flexible financing are all part of the Rest Easy Promise. Come try this mattress in any of our stores before you buy.
- SleepMatch: red
Rest Easy Promise
Our promise to you.
- 365-Night Comfort Guarantee with purchase of a premium mattress protector
- Best Price Guarantee Find it lower and we’ll match it.
- Free Next-Day Delivery We’ll deliver to your door, set-up available.
- Double-Your-Warranty We match the manufacturer’s warranty.
Features
- SKU: BRK-DIA-E6M-XF-25
- MPN: 25WICOTEF_FP66
- GTIN: 810146418795
- Brand: Mancini's
- Collection: Sleepworld
- Type: Innerspring
- Mattress In A Box: No
- Firmness: Extra Firm
- Height: 11
- Length: 80
- Width: 76
- Shipping Height: 11.5
- Shipping Width: 80
- Shipping Length: 76
- Warranty: 10 Year
- Cover Material: Polyester Knit
- Quilting Layers: 1 1/2'' Super Soft Quilt Foam
- Comfort Layers: 1 1/2'' Extra Firm Support H.D. Foam
- Support System: 720 13.5 Ga. Pocketed coil,0.75'' 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