King NM® Springwall® Compatible with Adjustable Bed 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.
Springwall is a proudly Canadian-made brand known for chiropractic-minded support and durable, value-driven construction. Compare every option below by feel, size, and price.
King NM® Springwall® Compatible with Adjustable Bed Mattress Selector

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King NM Springwall Compatible with Adjustable Bed Clear all
  • 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 1 left!
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    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
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    M5H 2N1
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  • SPRINGWALL® 6" Medium Firm Tight Top Foam Mattress
    BEST IN CLASS TOP RATED TRENDING
    Springwall 6-inch medium-firm tight-top foam mattress with patterned white quilted cover and charcoal sides Springwall Foam Mattress Collection Logo
    MEDIUM
    • Bio Comfort Foam Core
    • Gel Quilt Foam
    • Stretch Knit
    • Reduced Motion Transfer
    • Made In Canada
    King In stock for fast delivery $381
    Compare at $799
    Online availability icon In-Stock Only 3 left!
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    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
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    M5H 2N1
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  • SPRINGWALL® 7" Medium Firm Tight Top Foam Mattress
    BEST IN CLASS TRENDING LIMITED STOCK
    Springwall 7-inch medium-firm tight-top foam mattress, white cover with grey cloud motifs and charcoal quilted sides Springwall Foam Mattress Collection Logo
    MEDIUM
    • Bio Comfort Foam Core
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Reduced Motion Transfer
    • Made In Canada
    King $476
    Compare at $999
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery to M5H 2N1 on Tue, Aug 18
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  • SPRINGWALL® Comfort Pockets® 11" Plush Euro-Top Mattress
    BEST IN CLASS TOP RATED TRENDING
    Springwall Comfort Pockets 11-inch plush euro-top mattress, white dot-tufted top, charcoal sides Springwall Comfort Pockets Mattress Logo
    PLUSH
    • Full Perimeter Comfort Pockets® (Pocket Coils)
    • Cool Touch Stretch Knit Sleep Surface
    • Bio Foam with Gel
    • Bio Comfort Quilted Stretch knit surface
    • Made In Canada
    King In stock for fast delivery $517
    Compare at $1,199
    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 5
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    M5H 2N1
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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!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
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    M5H 2N1
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  • SPRINGWALL® Comfort Pockets® 10" Firm Euro-Top Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    Springwall Comfort Pockets 10-inch firm euro-top mattress, plain white quilted top with charcoal diamond-quilted sides Springwall Comfort Pockets Mattress Logo
    FIRM
    • 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
    King In stock for fast delivery $544
    Compare at $1,199
    Online availability icon In-Stock Only 7 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
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    M5H 2N1
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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
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
    Pickup available icon Only Pickup available to
    M5H 2N1
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  • SPRINGWALL® 8" Extra-Firm Tight Top Foam Mattress
    BEST IN CLASS TRENDING LIMITED STOCK
    Springwall 8-inch extra-firm tight-top foam mattress, black cover with grey geometric pattern, white piping and quilted sides Springwall Foam Mattress Collection Logo
    EX-FIRM
    • Bio Comfort Foam Core
    • HD Firm Bio Comfort Foam
    • Gel Quilt Foam
    • Cool Touch Stretch Knit Sleep Surface
    • Made In Canada
    King In stock for fast delivery $571
    Compare at $1,199
    Online availability icon In-Stock Only 3 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
    Pickup available icon Only Pickup available to
    M5H 2N1
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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 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
    Pickup available icon Only Pickup available to
    M5H 2N1
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  • SPRINGWALL® 9.5" Plush Euro Top Foam Mattress
    BEST IN CLASS TOP RATED TRENDING
    Springwall 9.5-inch plush euro-top foam mattress, white Cool Touch quilted cover with black diamond-quilted sides Springwall Foam Mattress Collection Logo
    PLUSH
    • Bio Comfort Foam Core
    • Cool Touch Stretch Knit Sleep Surface
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Made In Canada
    King In stock for fast delivery $581
    Compare at $1,199
    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 5
    Pickup available icon Only Pickup available to
    M5H 2N1
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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 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
    Pickup available icon Only Pickup available to
    M5H 2N1
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  • SPRINGWALL® Comfort Pockets® 10.5" Extra-Firm Euro-Top Mattress
    BEST IN CLASS BEST SELLING TOP RATED
    Springwall Comfort Pockets 10.5-inch extra-firm euro-top mattress, black grey lattice top, black quilted sides Springwall Comfort Pockets Mattress Logo
    EX-FIRM
    • 884 Full Perimeter Comfort Pockets® (Pocket Coils)
    • HD Firm Bio Comfort Foam
    • Cool Touch Stretch Knit Sleep Surface
    • Bio Comfort Quilted Stretch knit surface
    • Made In Canada
    King In stock for fast delivery $592
    Compare at $1,299
    Online availability icon In-Stock Only 3 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 5
    Pickup available icon Only Pickup available to
    M5H 2N1
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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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