Firm Back Sleeper Adjustable Base Compatible Yes Teal All Mattresses

Firm mattresses give you a solid, supportive surface with minimal sink — keeping your spine aligned and making it easier to move and get in and out of bed. They're the top choice for back and stomach sleepers, heavier bodies, and anyone who finds softer beds uncomfortable. Compare every firm option below by brand, profile, and price.
Back sleepers do best on a mattress that supports the lower back while gently following the spine's natural curve — typically a medium to medium-firm feel. The options below balance support and pressure relief for back sleepers. Compare them by brand, feel, and profile.
These mattresses are built to flex with adjustable bed bases — bending smoothly at the head and foot without damage — so you can raise, recline, and find your ideal position. Compare every adjustable-base-compatible option below by brand, type, and feel.

Shop 200+ mattresses from Serta, Beautyrest, Sealy, Tempur-Pedic, Springwall, and Stearns & Foster at National Mattress — available in Single/Twin through King sizes from $99 to $6,640. Choose from innerspring, euro-top, memory foam, hybrid, and latex constructions in four firmness levels from extra firm to plush. Every mattress is manufactured in Canadian factories using CertiPUR-US® certified foams and ships free across Canada with a 365-night sleep trial, price match guarantee, and manufacturer warranty coverage up to 25 years.

Firm Back Sleeper Adjustable Base Compatible Yes Teal All Mattresses
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  • BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress brand icon
    • 815 Original Beautyrest® Pocketed Coil®
    • Gel-Infused Fibre Blend
    • AirFeel® Foam
    • Gel Foam
    • High-Density Foam Encasement
    Single/Twin $499
    Twin XL In stock for fast delivery $519
    Double/Full $529
    Queen In stock for fast delivery $549
    Compare at $1,499
    King In stock for fast delivery $736
    Online availability icon In-Stock Only 8 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to
  • BEAUTYREST® 12.5" Tight Top Firm Mattress BEAUTYREST® 12.5" Tight Top Firm Mattress brand icon
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Firm Gel Support Foam
    • Beautyrest® Support Foam
    • Beautyrest® Antimicrobial Fibre Technology
    Single/Twin $643
    Twin XL In stock for fast delivery $688
    Double/Full In stock for fast delivery $699
    Queen $732
    Compare at $1,499
    King $900
    Online availability icon In-Stock Only 6 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to
  • BEAUTYREST® 14" Pillow Top Firm Mattress BEAUTYREST® 14" Pillow Top Firm Mattress brand icon
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Medium Gel Foam
    • Beautyrest® Support Foam
    • Beautyrest® Antimicrobial Fibre Technology
    Single/Twin $730
    Twin XL In stock for fast delivery $740
    Double/Full $740
    Queen $805
    Compare at $1,699
    King $980
    Online availability icon In-Stock Only 6 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to
  • BEAUTYREST® 15" Pillow Top Firm Mattress BEAUTYREST® 15" Pillow Top Firm Mattress brand icon
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • SurfaceTouch™ Gel Memory Foam
    • Beautyrest® Medium+Firm Gel Foam
    • InfiniCool™ Technology
    • Beautyrest® Antimicrobial Fibre Technology
    Twin XL In stock for fast delivery $740
    Double/Full $740
    Queen $750
    Compare at $2,499
    Single/Twin In stock for fast delivery $847
    King $980
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to
  • BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Single/Twin BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Single/Twin brand icon
    • 815 Original Beautyrest® Pocketed Coil®
    • Gel-Infused Fibre Blend
    • AirFeel® Foam
    • Gel Foam
    • High-Density Foam Encasement
    Single/Twin $499
    Compare at $1,299
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tuesday, Jun 23
  • OPEN BAG - BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Queen OPEN BAG - BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Queen brand icon
    • 815 Original Beautyrest® Pocketed Coil®
    • Gel-Infused Fibre Blend
    • AirFeel® Foam
    • Gel Foam
    • High-Density Foam Encasement
    Queen In stock for fast delivery $511
    Compare at $1,499
    Online availability icon In-Stock Only 1 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to
  • BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Twin XL BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Twin XL brand icon
    • 815 Original Beautyrest® Pocketed Coil®
    • Gel-Infused Fibre Blend
    • AirFeel® Foam
    • Gel Foam
    • High-Density Foam Encasement
    Twin XL In stock for fast delivery $519
    Compare at $1,399
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to
  • BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Double/Full BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Double/Full brand icon
    • 815 Original Beautyrest® Pocketed Coil®
    • Gel-Infused Fibre Blend
    • AirFeel® Foam
    • Gel Foam
    • High-Density Foam Encasement
    Double/Full $529
    Compare at $1,399
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tuesday, Jun 23
  • BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Queen BEAUTYREST® BeautySleep® 10" Firm Tight Top Mattress - Queen brand icon
    • 815 Original Beautyrest® Pocketed Coil®
    • Gel-Infused Fibre Blend
    • AirFeel® Foam
    • Gel Foam
    • High-Density Foam Encasement
    Queen In stock for fast delivery $549
    Compare at $1,499
    Online availability icon In-Stock Only 1 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to
  • BEAUTYREST® 12.5" Tight Top Firm Mattress - Single/Twin BEAUTYREST® 12.5" Tight Top Firm Mattress - Single/Twin brand icon
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Firm Gel Support Foam
    • Beautyrest® Support Foam
    • Beautyrest® Antimicrobial Fibre Technology
    Single/Twin $643
    Compare at $1,399
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tuesday, Jun 23
  • BEAUTYREST® 12.5" Tight Top Firm Mattress - Twin XL BEAUTYREST® 12.5" Tight Top Firm Mattress - Twin XL brand icon
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Firm Gel Support Foam
    • Beautyrest® Support Foam
    • Beautyrest® Antimicrobial Fibre Technology
    Twin XL In stock for fast delivery $688
    Compare at $1,499
    Online availability icon In-Stock Only 5 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to
  • BEAUTYREST® 12.5" Tight Top Firm Mattress - Double/Full BEAUTYREST® 12.5" Tight Top Firm Mattress - Double/Full brand icon
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Firm Gel Support Foam
    • Beautyrest® Support Foam
    • Beautyrest® Antimicrobial Fibre Technology
    Double/Full In stock for fast delivery $699
    Compare at $1,499
    Online availability icon In-Stock Only 1 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 7
    Pickup available icon Only Pickup available to

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