Sealy Mattresses Adjustable Base Compatible Sealy

Sealy mattresses are engineered for dependable, body-aligning support — many featuring Posturepedic Technology that reinforces the centre third where you need it most. Compare every option below by feel, size, and price.
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.

Sealy is a pioneering mattress brand known for its science-backed support and comfort. It was voted the #1 most trusted mattress brand in Canada, reflecting over a century of quality craftsmanship.

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.

Sealy Adjustable Base Compatible Sealy
Loading recommendations...

Items

Express delivery icon

Items

  • SEALY® Essentials 8" Medium Firm Tight Top Foam Mattress SEALY® Essentials 8" Medium Firm Tight Top Foam Mattress brand icon
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • CertiPUR-US™ SealySupport™ HD Core
    • SealySupport™ HD Foam
    Single/Twin $207
    Double/Full $261
    Queen $299
    Compare at $999
    Twin XL In stock for fast delivery $382
    King $591
    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 9
    Pickup available icon Only Pickup available to
  • SEALY® Essentials 6" Firm Tight Top Foam Mattress SEALY® Essentials 6" Firm Tight Top Foam Mattress brand icon
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • CertiPUR-US™ SealySupport™ HD Core
    • SealySupport™ HD Foam
    Single/Twin In stock for fast delivery $251
    Twin XL In stock for fast delivery $304
    Double/Full $309
    Queen In stock for fast delivery $376
    Compare at $899
    King In stock for fast delivery $566
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 9
    Pickup available icon Only Pickup available to
  • SEALY® Essentials 11.5" Firm Eurotop Mattress SEALY® Essentials 11.5" Firm Eurotop Mattress brand icon
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • Posture Touch® Pocket Coils
    • EssentialEdge™ Foam Support
    Single/Twin $379
    Twin XL In stock for fast delivery $385
    Double/Full $389
    Queen In stock for fast delivery $399
    Compare at $1,399
    King $699
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 9
    Pickup available icon Only Pickup available to
  • SEALY® Essentials 11" Medium Firm Tight Top Mattress SEALY® Essentials 11" Medium Firm Tight Top Mattress brand icon
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • Posture Touch® Pocket Coils
    • EssentialEdge™ Coil Support
    Single/Twin $409
    Twin XL In stock for fast delivery $423
    Double/Full $462
    Queen In stock for fast delivery $505
    Compare at $1,199
    King $675
    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 9
    Pickup available icon Only Pickup available to
  • SEALY® Essentials 10.5" Medium Firm Eurotop Foam Mattress SEALY® Essentials 10.5" Medium Firm Eurotop Foam Mattress brand icon
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • CertiPUR-US™ SealySupport™ HD Core
    • SealySupport™ HD Foam
    Single/Twin $432
    Twin XL In stock for fast delivery $478
    Double/Full $486
    Queen In stock for fast delivery $505
    Compare at $1,199
    King $655
    Online availability icon In-Stock Only 7 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 9
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic® 800 Series 11.5" Firm Tight Top Mattress SEALY® Posturepedic® 800 Series 11.5" Firm Tight Top Mattress brand icon
    • CleanProtect™ Fabric
    • Quilt Stay True® Quilt with MoistureProtect™ Fibres
    • CertiPUR-US™ SealySupport™ Gel HD Foam
    • Posture Touch® Pocket Coils
    • StableEdge™ HD
    • Targeted Gel HD Foam
    Single/Twin $451
    Twin XL In stock for fast delivery $507
    Double/Full $520
    Queen In stock for fast delivery $588
    Compare at $1,399
    King $849
    Online availability icon In-Stock Only 3 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 9
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic® 800 Series 13" Medium Firm Euro Top Mattress SEALY® Posturepedic® 800 Series 13" Medium Firm Euro Top Mattress brand icon
    • CleanProtect™ Fabric
    • Quilt Stay True® Quilt with MoistureProtect™ Fibres
    • CertiPUR-US™ SealySupport™ Gel HD Foam
    • Posture Touch® Pocket Coils
    • StableEdge™ HD
    • Targeted Gel HD Foam
    Single/Twin $491
    Twin XL In stock for fast delivery $566
    Double/Full In stock for fast delivery $575
    Queen $642
    Compare at $1,499
    King $904
    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 9
    Pickup available icon Only Pickup available to
  • SEALY® Cocoon™ 8" Medium Firm Memory Foam Mattress SEALY® Cocoon™ 8" Medium Firm Memory Foam Mattress brand icon
    • Premium Fabric Cover
    • Perfect Fit Memory Foam
    • Personalized Comfort Layer
    • Essential Support Foam
    • 10 Year Warranty
    Single/Twin $505
    Twin XL In stock for fast delivery $553
    Double/Full In stock for fast delivery $610
    Queen In stock for fast delivery $711
    Compare at $1,699
    King In stock for fast delivery $1,025
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 9
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic® Plus 1000 Series 11.5" Firm Tight Top Mattress SEALY® Posturepedic® Plus 1000 Series 11.5" Firm Tight Top Mattress brand icon
    • CleanProtect™ Cover
    • SealyAir™ Fibres
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • SealyResponse™ HD Pocket Coils
    • StableEdge™ HD
    • PROBACK® Quilt with Targeted GelBoost™ HD Memory Foam
    Single/Twin $593
    Twin XL In stock for fast delivery $663
    Double/Full $688
    Queen In stock for fast delivery $746
    Compare at $1,799
    King $988
    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 9
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic Plus® 1000 Series 12.5" Medium Firm Euro Top Mattress SEALY® Posturepedic Plus® 1000 Series 12.5" Medium Firm Euro Top Mattress brand icon
    • CleanProtect™ Cover
    • SealyAir™ Fibres
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • SealyResponse™ HD Pocket Coils
    • StableEdge™ HD
    • PROBACK® Quilt with Targeted GelBoost™ HD Memory Foam
    Single/Twin $641
    Twin XL In stock for fast delivery $695
    Double/Full $740
    Queen In stock for fast delivery $807
    Compare at $1,899
    King $1,117
    Online availability icon In-Stock Only 7 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 9
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic Plus® 1200 Series 12" Firm Euro Top Mattress SEALY® Posturepedic Plus® 1200 Series 12" Firm Euro Top Mattress brand icon
    • CleanProtect™ Cover
    • Sealy AirSense™ Fibres Topped with SealyIce™ Yarn
    • CertiPUR-US™ SealyComfort™ Gel HD Foam
    • Posture Grid® Coil System featuring PostureSense™ Nano Coils
    • SolidEdge™ PRO
    • PROBACK® Plus Quilt with Targeted GelSense™ HD Memory Foam
    Single/Twin $696
    Twin XL In stock for fast delivery $774
    Double/Full $805
    Queen $911
    Compare at $2,199
    King $1,230
    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 9
    Pickup available icon Only Pickup available to
  • SEALY® Cocoon™ 10" Firm Memory Foam Mattress SEALY® Cocoon™ 10" Firm Memory Foam Mattress brand icon
    • Premium Fabric Cover
    • Perfect Fit Memory Foam
    • Personalized Comfort Layer
    • Essential Support Foam
    • 10 Year Warranty
    Twin XL $759
    Double/Full In stock for fast delivery $820
    Queen In stock for fast delivery $926
    Compare at $2,199
    King In stock for fast delivery $1,273
    Online availability icon In-Stock Only 7 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 9
    Pickup available icon Only Pickup available to

Items 1-12 of 114

Showing of products

Loading recommendations...