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Luxury Firm
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On Sale
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5"-Cal King
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In Stock
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5"
Why this Mattress?
- Built for lasting lumbar support without sacrificing surface comfort
- Pocketed coil system moves independently to isolate motion
- Quilted knit cover stretches and conforms to your body
- High-density comfort layer relieves pressure at hips and shoulders
- Shock-absorbing base keeps the mattress stable for years
Overview
Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5" — Cal King
The Mancini's Sleepworld Diamond Luxury Firm Mattress 11.5" is an innerspring mattress built for back sleepers and combination sleepers who need reliable spinal support with a touch of cushioning underfoot. As a luxury firm innerspring, it sits at that precise middle ground where the coils do the structural work and the foam layers soften the landing just enough to stop you from waking up stiff. Stop by any Mancini's Sleepworld location and our sleep specialists will let you stretch out on this one alongside every option in its class so you can feel exactly what you're getting before you commit.
COMFORT AND FEEL: Luxury firm feel with a quilted top that cushions without letting hips sink too deep.
SIZE: This Cal King sized mattress is built for taller sleepers and couples who want room to spread out without compromising on support.
BEST SLEEP MATCH: Best for back sleepers and some side sleepers who want a luxury firm innerspring. The pocketed coil system supports the lumbar while the comfort layer keeps shoulders from pressing into the surface.
BEST FOR: Ideal for sleepers who need consistent back support, want motion separation from a partner, or wake up stiff from a mattress that gives too much.
CONSTRUCTION SPECIFICATIONS: A heavyweight 4-way stretch polyester knit cover flexes with every movement. The 1.5" super soft quilt foam layer cushions the surface without going plush. Below it, a 1.5" medium firm high-density comfort layer holds the lumbar in place. An 8" 790-count pocketed coil system responds individually to reduce motion transfer. A 0.75" shock-absorbing high-density base foam keeps the structure stable and lasting. Foams are CertiPUR-US® certified.
SETUP AND COMPATIBILITY: Delivered flat with in-home professional setup included. Compatible with adjustable bases, platform frames, and box springs. No tools needed on your end.
NOT A FIT FOR: Sleepers who prefer a plush or pillow-top feel may find the luxury firm surface too structured. Not the best match for strict side sleepers with significant pressure at the shoulder.
YOUR SLEEP, BACKED BY US
Every mattress at Mancini's Sleepworld comes with a 120-night comfort guarantee as standard, so you can sleep on it and be certain. Add a premium mattress protector at the time of purchase and you can extend that to a full 365 nights. You also get free next-day delivery, in-home professional setup, flexible financing, and our Best Price Guarantee. Prefer to feel it first? Come try it in any of our stores before you buy.
- SleepMatch: blue
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-6M-LF-25
- MPN: 25WICOTM_FP67
- GTIN: 810146418924
- Brand: Mancini's
- Collection: Sleepworld
- Type: Innerspring
- Mattress In A Box: No
- Firmness: Luxury Firm
- Height: 11.5
- Length: 84
- Width: 72
- Shipping Height: 11.5
- Shipping Width: 84
- Shipping Length: 72
- Warranty: 15 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