• High Density Firm Mattress by Sleep In - Mattress Miracle
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Sleep In

High Density Firm Mattress | Extra Support Heavy Sleepers

High Density Firm Mattress | Extra Support Heavy Sleepers

$599.99 CAD
$599.99 CAD
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Sleep Better, Look Better, Live Better - Serious support for serious sleepers

Hi there! Dorothy here from Mattress Miracle. The High Density Firm is my recommendation for folks who need extra support - whether you're a heavier sleeper, prefer firm surfaces, or just want a mattress that won't sag. After 37+ years helping families find proper support, I know this mattress delivers what it promises.

Why High Density Makes a Difference

This mattress uses 2.5 lb density foam, which is much denser than regular mattresses. That means it maintains its shape and support much longer, even for heavier sleepers up to 300+ pounds. No sagging, no body impressions, just consistent support.

Built for Durability

The high-density construction means this mattress will last much longer than regular foam mattresses. The reinforced edges prevent roll-off, and the extra-firm surface maintains its supportive feel year after year.

Perfect For

  • Heavier sleepers: Designed for weights up to 300+ pounds
  • Firm preference: True firm feel (8/10 firmness)
  • Back sleepers: Maintains natural spine alignment
  • Stomach sleepers: Prevents midsection sinking
  • Hot sleepers: Firm surface promotes airflow

What Customers Tell Me

Mike from Waterford said: "Dorothy recommended the High Density Firm because of my weight. Three years later, it still feels as supportive as day one - no sagging at all."

Another customer shared: "I've always preferred firm mattresses, but most get soft over time. This one stays firm and supports my back properly every night."

Quality Construction

  • 10 inches of 2.5 lb high-density foam
  • Reinforced edge support system
  • Heavy-duty quilted cover
  • True firm feel (8/10 firmness scale)
  • Weight capacity: 300+ pounds
  • 10-year warranty
  • Made in Canada

Complete Your Firm Support System

Visit Us in Brantford

Mattress Miracle
441 West Street, Brantford
Ask Dorothy about firm support: 519-770-0001

Come test the firmness level in person. Dorothy will help you determine if this level of support is right for your needs and sleep style.

Support System

Foam Core Support: 7 ½-inch high-density premium poly/latex layered foams providing firm support throughout the mattress.

Comfort Layers & Material

Foam Layers: Aforementioned High Density foam, 2 ½-inch soft foam in pillow top with layered ¾-inch 20-oz poly foam for added comfort.

Approx. Feel: Extra Firm

Fabrics: Stretchable bamboo woven fabric for natural comfort and hygiene. Damask Fabric Bottom Guard.

Height

Mattress Height: 9"

Warranty

10 year pro-rated Warranty

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