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Firm
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On Sale
Mancini's Sleepworld Marina Firm Mattress 8"-Cal King
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In Stock
Mancini's Sleepworld Marina Firm Mattress 8"
Why this Mattress?
- Firm feel that keeps your spine aligned all night
- Gel memory foam quilted cover sleeps noticeably cooler
- Titanium-infused memory foam layer adds responsive depth
- Dense support core holds its shape year after year
- CertiPUR-US certified foams, safe for your home
Overview
Mancini's Sleepworld Marina Firm Mattress 8" Cal King
The Mancini's Sleepworld Marina Firm Mattress 8" is a firm mattress for back and stomach sleepers who need steady, reliable support without sacrificing surface comfort. A firm mattress for back pain relief starts with how the lumbar is treated all night, and the Marina's dense high-density support core keeps the spine in a neutral line from shoulders to hips. The 8" profile is intentional: no excess softness, no sink, just consistent support that feels the same on night one and night five hundred. Stop by any Mancini's Sleepworld location and our sleep specialists will set this next to every option in the firmness range so you can feel exactly where it lands.
COMFORT AND FEEL: Firm feel with gel memory foam softness at the surface and a non-give support core beneath.
SIZE: This California King sized mattress is a natural fit for taller sleepers and couples who want generous space without crowding.
BEST SLEEP MATCH: Best for back and stomach sleepers who prefer a firm mattress for back sleepers. The unyielding base keeps hips from dropping and the lumbar from rounding out overnight.
BEST FOR: Ideal for sleepers who wake up with lower back tension, run warm at night, or need a mattress that holds its support for the long haul.
CONSTRUCTION SPECIFICATIONS: The stretch knit cover moves with you and pulls heat away from the surface. A gel-infused memory foam layer in the quilt gives the top a gentle, cooling touch. Titanium-infused high-density memory foam sits beneath, adding depth without softness. The firm high-density core underneath is what this mattress is built around. It keeps you lifted, not cradled.
SETUP AND COMPATIBILITY: Works on an adjustable base, platform frame, or box spring. Delivered flat with white-glove in-home setup available.
NOT A FIT FOR: Not the best choice for side sleepers who need hip and shoulder pressure relief, or anyone who prefers a plush or pillow-top feel.
YOUR SLEEP, BACKED BY US
At Mancini's Sleepworld, our sleep specialists stand behind every mattress we sell. Every purchase comes with a 120-night comfort guarantee and our Best Price Guarantee, so you always know you paid fairly. Add a premium mattress protector at the time of purchase and you can extend that to a full 365 nights. We also offer free next-day delivery, flexible financing, and professional in-home setup. Come try the Marina 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-MAR-6M-FM-25
- MPN: 25WI08LDGF_FP67
- GTIN: 810191940593
- Brand: Mancini's
- Collection: Sleepworld
- Type: Memory Foam
- Mattress In A Box: No
- Firmness: Firm
- Height: 8
- Length: 84
- Width: 72
- Shipping Height: 8
- Shipping Width: 84
- Shipping Length: 72
- Warranty: 10 Year
- Cover Material: Polyethylene & Poly Blend
- Quilting Layers: 0.75 1.8 /10 Gel Infused Memory Foam
- Comfort Layers: 1'' 3/ 10 Titanium Memory Foam
- Support System: 6.0 1.5 / 30 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