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Firm All

Firm mattresses give you the most support of our everyday comfort levels — a solid, stable surface that keeps your spine aligned instead of sinking in. Firm is the go-to for back and stomach sleepers, heavier-weight sleepers who need extra support, and anyone looking for orthopedic, back-friendly comfort; side sleepers or those who like a softer feel may prefer our medium or plush options. Choose from tight-top, foam, euro-top and hybrid builds across Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Chirofoam and our own NM line — from budget-friendly models at $59 to premium, with free delivery across Canada. • Feel: firm gives a solid, supportive surface with minimal sink-in • Best for: back and stomach sleepers, heavier-weight sleepers, and orthopedic / back-pain support • Consider softer if you sleep on your side or want more cushioning — see our medium or plush options • Constructions: tight-top (most firm beds), foam, euro-top and hybrid • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Chirofoam, Springwall & NM • Prices: from $59 (budget) to premium — our widest price range • Want the firmest feel? See our extra-firm mattresses
Firm All
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  • National Mattress Orthopedic Classic 8-inch firm tight-top mattress, all-white quilted cover with dark piping NM Logo
    • Double Tempered Bonnel Coil with Edge Guard
    • Firm BioComfort™ Foam
    • Center & Lumbar Support
    • Dual Sided Cotton Support Quilt
    • 5 Year Warranty
    • Made In Canada
    Single/Twin In stock for fast delivery $168
    Twin XL In stock for fast delivery $203
    Double/Full In stock for fast delivery $206
    Queen In stock for fast delivery $226
    Compare at $499
    King In stock for fast delivery $266
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  • National Mattress 9.5-inch firm euro-top mattress, white diamond-quilted top with black quilted sides NM Logo
    • Double Tempered Bonnel Coil with Edge Guard
    • Center & Lumbar Support
    • Bio Foam Comfort Layers
    • 5 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $192
    Twin XL In stock for fast delivery $231
    Double/Full In stock for fast delivery $234
    Queen In stock for fast delivery $278
    Compare at $499
    King In stock for fast delivery $396
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  • National Mattress Orthopedic Supreme 13-inch firm tight-top mattress, white top, grey-black diamond sides NM Logo
    • Double Tempered Bonnel Coil with Edge Guard
    • HD+™ High Density Foam
    • Center & Lumbar Support
    • Dual Sided Cotton Support Quilt
    • 10 Year Warranty
    • Made In Canada
    Single/Twin In stock for fast delivery $328
    Twin XL In stock for fast delivery $341
    Double/Full In stock for fast delivery $347
    Queen $427
    Compare at $799
    King In stock for fast delivery $587
    Online availability icon In-Stock Only 9 left!
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  • NM® Hi-Loft™ 10" Firm Tight Top Mattress NM Hi-Loft Collection Logo
    • 800 3-Zone Quantum Edge Coils
    • Quilted Tight-Top Comfort
    • 1″ Medium-Grade Bio Foam
    • Heat-Treated Cotton Felt Pad
    • Lux Double-Jersey Cover
    • 10-Year Warranty
    • Made In Canada
    Single/Twin In stock for fast delivery $272
    Twin XL $300
    Double/Full In stock for fast delivery $305
    Queen In stock for fast delivery $335
    Compare at $699
    King In stock for fast delivery $516
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  • Springwall Comfort Pockets 10-inch firm euro-top mattress, plain white quilted top with charcoal diamond-quilted sides Springwall Comfort Pockets Mattress Logo
    • 884 Full Perimeter Comfort Pockets® (Pocket Coils)
    • Bio Foam with Gel
    • Cool Touch Stretch Knit Sleep Surface
    • Bio Comfort Quilted Stretch knit surface
    • Made In Canada
    Single/Twin In stock for fast delivery $265
    Twin XL In stock for fast delivery $340
    Double/Full In stock for fast delivery $345
    RV Short Queen In stock for fast delivery $359
    Queen In stock for fast delivery $398
    Compare at $899
    King In stock for fast delivery $517
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  • Evergreen Aspen 14-inch firm euro-top latex mattress, cream quilted top with green piping, cream sides Evergreen Sleep Organic Latex Mattress Collection Logo
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimeter
    • Organic Latex Comfort Layer
    • Bio-Foam natural foam content support layers
    • Organic Cotton Quilt with Organic Latex and Organic Wool
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $489
    Twin XL In stock for fast delivery $579
    Double/Full In stock for fast delivery $743
    Queen In stock for fast delivery $821
    Compare at $1,499
    King In stock for fast delivery $1,099
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  • Evergreen 10-inch firm organic latex foam mattress, white channel-quilted tight-top, ribbed sides, sage trim Evergreen Sleep Organic Latex Mattress Collection Logo
    • Open Cell Bio Foam Core
    • Organic Latex Comfort Layer
    • Bio-Foam natural foam content support layers
    • Organic Cotton Quilt
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $402
    Twin XL In stock for fast delivery $548
    Double/Full In stock for fast delivery $439
    Queen In stock for fast delivery $643
    Compare at $1,199
    King In stock for fast delivery $842
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  • NM Orthopedic PLUS 10" Firm Euro Top Mattress - 1 NM Logo
    • 416 Double-Tempered 3-Zone Continuous Coil
    • Reinforced Edge Support
    • 2″ HD+™ High Density Firm Foam
    • Lumbar Support Pad
    • Quilted Cotton/Poly/Foam Euro-Top Cover
    • 10 Year Warranty
    • Made In Canada
    Single/Twin In stock for fast delivery $240
    Twin XL $277
    Double/Full $281
    Queen $318
    Compare at $699
    King In stock for fast delivery $500
    Online availability icon In-Stock Only 4 left!
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  • National Mattress 10-inch firm euro-top mattress, white wave-quilted top with black diamond-patterned sides NM Hi-Loft Collection Logo
    • 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 $296
    Twin XL In stock for fast delivery $382
    Double/Full In stock for fast delivery $388
    Queen In stock for fast delivery $436
    Compare at $799
    King In stock for fast delivery $581
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  • Chirofoam 12-inch luxury-firm hybrid mattress, white damask-quilted top, navy diamond-quilted sides Chirofoam Logo
    • Cool Gel Infused Memory Foam
    • Firm Support Chirofoam
    • Pro Lumbar Support
    • Canadian Made 1000 Hi-Loft Pocket Coils
    • 15 Year Warranty
    Single/Twin In stock for fast delivery $442
    Twin XL In stock for fast delivery $561
    Double/Full In stock for fast delivery $569
    Queen In stock for fast delivery $675
    Compare at $1,299
    King In stock for fast delivery $862
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  • National Mattress 6-inch firm tight-top foam mattress, slim white diamond-quilted cover, charcoal piping NM Logo
    • High Density Foam Core
    • High Density Foam Comfort Layer
    • Cotton Channel Quilted Cover
    • 5 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $177
    Twin XL In stock for fast delivery $238
    Double/Full In stock for fast delivery $243
    Queen In stock for fast delivery $260
    Compare at $599
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  • Springwall Chiropractic 12-inch firm hybrid mattress, navy swirl-pattern top, banded navy sides Springwall Chiropractic Premium Mattress Logo
    • 1800 7-Zoned Chiropractic® Pocket Coils
    • Cold PE Technology Premium Surface Fabric
    • Graphite Gel PCM Comfort Layers
    • CoreBalance™ Support System with Micro Coils
    • HD Bio Comfort Foams
    Single/Twin In stock for fast delivery $477
    Twin XL In stock for fast delivery $607
    Double/Full In stock for fast delivery $617
    Queen In stock for fast delivery $676
    Compare at $1,599
    King In stock for fast delivery $875
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