• Extra Firm
  • On Sale
Sleepworld Express 11" Innerspring Extra Firm Mattress image number 0
  • Suitable For Adjustable Base
  • Motion Separation
  • Edge Support

Overview

Sleepworld Express 11" Innerspring Extra Firm Mattress · Cal King

The Sleepworld Express 11" Innerspring Extra Firm Mattress is an innerspring mattress built for the sleeper who needs an unyielding, flat-out firm surface to keep the spine from bowing through the night. If you wake up with lower back stiffness because your last mattress went soft on you, this is the mattress that pushes back. The extra firm mattress for back pain relief crowd will recognize exactly what this bed is doing from the first night. Stop by any Mancini's Sleepworld location, lie down on it, and our sleep specialists will put it next to every option in this firmness range so you can feel the difference firsthand.

COMFORT AND FEEL: Extra firm and flat with zero give, holding the spine level from shoulders to hips.

SIZE: This Cal King sized mattress is 72 inches wide by 84 inches long, giving taller sleepers and couples the full length they need without compromise.

BEST SLEEP MATCH: Stomach and back sleepers who need an extra firm surface to stop the hips from dipping will feel this bed doing its job immediately. The flat, resistance-forward feel keeps the lumbar from rounding overnight.

BEST FOR: Ideal for sleepers who need strict spinal alignment, tend to sleep hot on denser foam surfaces, or have a history of lower back tension from mattresses that go soft.

CONSTRUCTION SPECIFICATIONS: The heavyweight 4-way stretch knit cover flexes with your body without bunching. Firm support foam layers in the quilt keep the surface stable. The fabric-wrapped coil system uses super heavy gauge wire to resist compression across the full surface. Super high density upholstery grade base layers anchor everything, so this bed does not soften out with regular use. Foams are CertiPUR-US certified.

SETUP AND COMPATIBILITY: This mattress arrives rolled and compressed in a box, expands within hours, and requires no tools. Compatible with adjustable bases, platform frames, and box springs.

NOT A FIT FOR: Side sleepers who need shoulder and hip cushioning will find this surface too firm. Sleepers who prefer any amount of contouring or plush feel should look at softer options.

YOUR SLEEP, BACKED BY US

Every mattress purchase at Mancini's Sleepworld includes a 120-night comfort guarantee backed by the Rest Easy Promise, plus a Best Price Guarantee so you know you paid the right number. Want a full year to be certain? Add a premium mattress protector at time of purchase and your guarantee extends to 365 nights. Come try this mattress in one of our stores, and we'll take care of free next-day delivery, in-home professional setup, and flexible financing when you're ready.

  • SleepMatch: red
A color code of red indicates that you need extra firm support. This is often true of some back sleepers and stomach sleepers. Find Your Match

Sleepworld Express 11" Innerspring Extra Firm Mattress

$1,169.00
Total $1,169.00
Item No. BRK-B400-6M-XF-25
  • Built for stomach and back sleepers who need real resistance underfoot
  • Fabric-wrapped coil system built with super heavy gauge wire
  • Super high density upholstery grade support layers resist softening
  • 4-way stretch knit quilt panel moves with you through the night
  • CertiPUR-US certified foams, safe for home use
No Protection $0
Availability:
  • In Stock
Total $1,169.00

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Overview

Sleepworld Express 11" Innerspring Extra Firm Mattress · Cal King

The Sleepworld Express 11" Innerspring Extra Firm Mattress is an innerspring mattress built for the sleeper who needs an unyielding, flat-out firm surface to keep the spine from bowing through the night. If you wake up with lower back stiffness because your last mattress went soft on you, this is the mattress that pushes back. The extra firm mattress for back pain relief crowd will recognize exactly what this bed is doing from the first night. Stop by any Mancini's Sleepworld location, lie down on it, and our sleep specialists will put it next to every option in this firmness range so you can feel the difference firsthand.

COMFORT AND FEEL: Extra firm and flat with zero give, holding the spine level from shoulders to hips.

SIZE: This Cal King sized mattress is 72 inches wide by 84 inches long, giving taller sleepers and couples the full length they need without compromise.

BEST SLEEP MATCH: Stomach and back sleepers who need an extra firm surface to stop the hips from dipping will feel this bed doing its job immediately. The flat, resistance-forward feel keeps the lumbar from rounding overnight.

BEST FOR: Ideal for sleepers who need strict spinal alignment, tend to sleep hot on denser foam surfaces, or have a history of lower back tension from mattresses that go soft.

CONSTRUCTION SPECIFICATIONS: The heavyweight 4-way stretch knit cover flexes with your body without bunching. Firm support foam layers in the quilt keep the surface stable. The fabric-wrapped coil system uses super heavy gauge wire to resist compression across the full surface. Super high density upholstery grade base layers anchor everything, so this bed does not soften out with regular use. Foams are CertiPUR-US certified.

SETUP AND COMPATIBILITY: This mattress arrives rolled and compressed in a box, expands within hours, and requires no tools. Compatible with adjustable bases, platform frames, and box springs.

NOT A FIT FOR: Side sleepers who need shoulder and hip cushioning will find this surface too firm. Sleepers who prefer any amount of contouring or plush feel should look at softer options.

YOUR SLEEP, BACKED BY US

Every mattress purchase at Mancini's Sleepworld includes a 120-night comfort guarantee backed by the Rest Easy Promise, plus a Best Price Guarantee so you know you paid the right number. Want a full year to be certain? Add a premium mattress protector at time of purchase and your guarantee extends to 365 nights. Come try this mattress in one of our stores, and we'll take care of free next-day delivery, in-home professional setup, and flexible financing when you're ready.

Features

  • Suitable For Adjustable Base
  • Motion Separation
  • Edge Support
  • SleepMatch: red
A color code of red indicates that you need extra firm support. This is often true of some back sleepers and stomach sleepers. Find Your Match
Sleepworld Express 11" Innerspring Extra Firm Mattress image number

Sleepworld Express 11" Innerspring Extra Firm Mattress

$1,169.00
$1,169.00
Cal King

Features

  • SKU: BRK-B400-6M-XF-25
  • MPN: 25WICOTEF67
  • GTIN: 810146416210
  • Brand: Sleepworld
  • Collection: Express
  • Type: Innerspring
  • Mattress In A Box: Yes
  • Firmness: Extra Firm
  • Height: 11
  • Length: 84
  • Width: 72
  • Shipping Height: 46
  • Shipping Width: 17
  • Shipping Length: 17
  • Warranty: 10 Year
  • Cover Material: Polyester Knit
  • Quilting Layers: 1.5'' Super Soft Quilt Foam
  • Comfort Layers: 1.5'' Extra Firm Support H.D. Foam
  • Support System: 8'' 790 Pocketed coil, 3/4'' Shock Absorbing H.D. Base Foam

Specification

  • Suitable For Adjustable Base: Yes
  • Motion Separation: Yes
  • Edge Support: Yes