Firm Back Sleeper NM™ Yes 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.

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 NM™ Yes All Mattresses
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  • OPEN BAG - NM 10" Firm Euro Top Mattress - Single/Twin OPEN BAG - NM 10" Firm Euro Top Mattress - Single/Twin brand icon
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimiter
    • Cool Gel-infused memory foam
    • Bio-Foam natural foam content reduces your carbon footprint
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin $260
    Compare at $599
    Online availability icon In-Stock Only 4 left!
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  • OPEN BAG - NM 10″ Firm Memory Foam Mattress - Double/Full OPEN BAG - NM 10″ Firm Memory Foam Mattress - Double/Full brand icon
    • Optimal High Resilient Bio-Foam Core
    • Visco Memory Foam
    • Pressure Relieving Comfort Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Double/Full $498
    Compare at $1,099
    Online availability icon In-Stock Only 2 left!
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  • OPEN BAG - NM 10″ Firm Memory Foam Mattress - King OPEN BAG - NM 10″ Firm Memory Foam Mattress - King brand icon
    • Optimal High Resilient Bio-Foam Core
    • Visco Memory Foam
    • Pressure Relieving Comfort Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    King $484
    Compare at $1,599
    Online availability icon In-Stock Only 6 left!
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  • OPEN BAG - NM 10″ Firm Memory Foam Mattress - Twin XL OPEN BAG - NM 10″ Firm Memory Foam Mattress - Twin XL brand icon
    • Optimal High Resilient Bio-Foam Core
    • Visco Memory Foam
    • Pressure Relieving Comfort Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Twin XL $313
    Compare at $1,099
    Online availability icon In-Stock Only 2 left!
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  • OPEN BAG - NM 6" Firm Tight Top Foam Mattress - Double/Full OPEN BAG - NM 6" Firm Tight Top Foam Mattress - Double/Full brand icon
    • High Density Foam Core
    • High Density Foam Comfort Layer
    • Cotton Channel Quilted Cover
    • 5 Year Warranty
    • Made In Toronto, Canada
    Double/Full $219
    Compare at $499
    Online availability icon In-Stock Only 2 left!
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  • OPEN BAG - NM 6" Firm Tight Top Foam Mattress - Twin XL OPEN BAG - NM 6" Firm Tight Top Foam Mattress - Twin XL brand icon
    • High Density Foam Core
    • High Density Foam Comfort Layer
    • Cotton Channel Quilted Cover
    • 5 Year Warranty
    • Made In Toronto, Canada
    Twin XL $147
    Compare at $499
    Online availability icon In-Stock Only 1 left!
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  • OPEN BAG - NM 10" Firm Euro Top Mattress - Queen OPEN BAG - NM 10" Firm Euro Top Mattress - Queen brand icon
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimiter
    • Cool Gel-infused memory foam
    • Bio-Foam natural foam content reduces your carbon footprint
    • 10 Year Warranty
    • Made In Toronto, Canada
    Queen $405
    Compare at $799
    Online availability icon In-Stock Only 4 left!
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  • OPEN BAG - NM 10" Firm Euro Top Mattress - Twin XL OPEN BAG - NM 10" Firm Euro Top Mattress - Twin XL brand icon
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimiter
    • Cool Gel-infused memory foam
    • Bio-Foam natural foam content reduces your carbon footprint
    • 10 Year Warranty
    • Made In Toronto, Canada
    Twin XL $336
    Compare at $799
    Online availability icon In-Stock Only 2 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
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