King NM® Mattress Selector

King mattresses measure 76" × 80" — the widest standard size, giving each partner the same personal space as a twin. They're the top choice for couples who want maximum room, families who co-sleep, and larger master bedrooms. Compare every king option below by brand, feel, and price.
NM mattresses are National Mattress's own line — quality construction at honest, direct prices across firmness levels and builds. Compare every option below by feel, size, and price.
King NM® Mattress Selector

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  • NM Orthopedic Classic 8" Firm Flippable Tight Top Mattress
    BEST IN CLASS TOP RATED TRENDING
    National Mattress Orthopedic Classic 8-inch firm tight-top mattress, all-white quilted cover with dark piping NM Logo
    FIRM
    • Double Tempered Bonnel Coil with Edge Guard
    • Firm BioComfort™ Foam
    • Center & Lumbar Support
    • Dual Sided Cotton Support Quilt
    • 5 Year Warranty
    • Made In Canada
    King In stock for fast delivery $296
    Compare at $599
    Online availability icon In-Stock Only 4 left!
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    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 3
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    M5H 2N1
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  • NM® HD+™ Core 6" Extra-Firm High Density Foam Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    National Mattress HD 6-inch extra-firm foam mattress, grey damask tight-top, charcoal sides, Canada-flag badge NM Logo
    EX-FIRM
    • High Density Foam Core
    • High Density Foam Comfort Layer
    • Cotton Support Quilt
    • 5 Year Warranty
    • Made In Canada
    King In stock for fast delivery $328
    Compare at $599
    Online availability icon In-Stock Only 2 left!
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  • NM Orthopedic PLUS 10" Extra-Firm Euro Top Mattress
    BEST IN CLASS TOP RATED TRENDING
    National Mattress 10-inch extra-firm euro-top mattress, white damask-print top, black zigzag border band NM Logo
    EX-FIRM
    • Double Tempered Bonnel Coil with Edge Guard
    • HD+™ High Density Foam
    • Center & Lumbar Support
    • Cotton Support Quilt
    • 10 Year Warranty
    • Made In Canada
    King In stock for fast delivery $388
    Compare at $799
    Online availability icon In-Stock Only 7 left!
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  • NM Orthopedic 9.5" Firm Euro Top Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    National Mattress 9.5-inch firm euro-top mattress, white diamond-quilted top with black quilted sides NM Logo
    FIRM
    • Double Tempered Bonnel Coil with Edge Guard
    • Center & Lumbar Support
    • Bio Foam Comfort Layers
    • 5 Year Warranty
    • Made In Toronto, Canada
    King In stock for fast delivery $396
    Compare at $699
    Online availability icon In-Stock Only 3 left!
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  • NM Hi-Loft 10" Medium Firm Euro Top Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    National Mattress 10-inch medium-firm euro-top mattress, white quilted top, tall black patterned sides NM Hi-Loft Collection Logo
    MEDIUM
    • 800 Hi-Loft Pocket Coil
    • Cool Gel infused memory foam
    • Luxurious Knit Fabric
    • 10 Year Warranty
    • Made In Toronto, Canada
    King In stock for fast delivery $535
    Compare at $1,099
    Online availability icon In-Stock Only 5 left!
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  • NM® HD+™ Advanced 8" Extra-Firm High Density Foam Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    National Mattress HD 8-inch extra-firm foam mattress, white diamond-quilted tight-top, black quilted sides NM Logo
    EX-FIRM
    • Extra-Firm High Density Foam Core
    • HD Foam Support Layer
    • Cotton Fabric Quilted Top
    • 25 Year Warranty
    • Made In Toronto, Canada
    King In stock for fast delivery $564
    Compare at $999
    Online availability icon In-Stock
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  • NM Cozy 8" Medium Firm Memory Foam Mattress
    CLEARANCE FLASH SALE BEST IN CLASS
    National Mattress 8-inch medium-firm memory-foam mattress, smooth white tight-top, charcoal sides, NM badge NM Cozy Collection Logo
    MEDIUM
    • High Density Foam Core
    • Cool Gel Memory Foam
    • Hypoallergenic Bamboo Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    King In stock for fast delivery $579
    Compare at $1,199
    Online availability icon In-Stock Only 3 left!
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  • NM® Hi-Loft™ Elite 10" Firm Euro Top Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    National Mattress 10-inch firm euro-top mattress, white wave-quilted top with black diamond-patterned sides NM Hi-Loft Collection Logo
    FIRM
    • 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
    King In stock for fast delivery $581
    Compare at $1,099
    Online availability icon In-Stock Only 5 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 3
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  • NM Orthopedic Supreme 13" Firm Flippable Tight Top Mattress
    BEST IN CLASS TOP RATED TRENDING
    National Mattress Orthopedic Supreme 13-inch firm tight-top mattress, white top, grey-black diamond sides NM Logo
    FIRM
    • 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
    King In stock for fast delivery $587
    Compare at $1,099
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 3
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    M5H 2N1
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  • NM® Hi-Loft™ Elite 12" Medium Firm Euro Top Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    National Mattress 12-inch medium-firm euro-top mattress, white quilted dome top, black diamond-quilted sides NM Hi-Loft Collection Logo
    MEDIUM
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimeter
    • Cool Gel infused memory foam
    • Bio-Foam natural foam content reduces your carbon footprint
    • 10 Year Warranty
    • Made In Toronto, Canada
    King In stock for fast delivery $698
    Compare at $1,299
    Online availability icon In-Stock Only 8 left!
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  • NM® Hi-Loft™ Elite 12" Extra-Firm Tight Top Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    National Mattress 12-inch extra-firm tight-top mattress, white diamond-quilted top with black quilted sides NM Hi-Loft Collection Logo
    EX-FIRM
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimiter
    • HD High Density Support Foam
    • Bio-Foam natural foam content reduces your carbon footprint
    • 10 Year Warranty
    • Made In Toronto, Canada
    King In stock for fast delivery $698
    Compare at $1,299
    Online availability icon In-Stock Only 8 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 3
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  • NM® HD+™ Core Advanced 10" Extra-Firm Flippable High Density Foam Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    National Mattress HD 10-inch extra-firm flippable foam mattress, white quilted top with charcoal sides NM Logo
    EX-FIRM
    • HD+™ High Density Foam Core
    • Firm BioComfort™ Foam
    • Dual Sided Cotton Support Quilt
    • 25 Year Warranty
    • Made In Canada
    King In stock for fast delivery $759
    Compare at $1,599
    Online availability icon In-Stock Only 2 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 3
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Upgrade your sleep at National Mattress

Discover a mattress that transforms your sleep into a truly rejuvenating experience. We offer a wide variety of options to suit every sleep style and preference, ensuring a better night's sleep.

Why Choose Us?

  • Variety: From plush to firm, we have options for every body type and sleep style.
  • Quality: Trusted brands and top-notch materials for long-lasting comfort.
  • Sleep Trials & Warranties: Enjoy peace of mind with flexible trials and warranties.
  • Expert Advice: Get personalized recommendations from our sleep specialists.

Mattress Selection Includes

  • Memory Foam: Contours to your body for personalized comfort and pressure relief.
  • Hybrid: Combines responsive springs with foam for balanced support and comfort.
  • Innerspring: Provides firm support, bounce, and cooling airflow.
  • Latex: Hypoallergenic, eco-friendly, and exceptionally comfortable.
  • Adjustable Beds: Customize your sleep position for optimal comfort.
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