Sealy Adjustable Base Compatible Blue All Mattresses

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.

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 Blue All Mattresses
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  • 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 $208
    Twin XL $243
    Double/Full SOLD OUT
    Queen $298
    Compare at $799
    King $490
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • 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 SOLD OUT
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $799
    Twin XL $355
    King SOLD OUT
    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 5
    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 SOLD OUT
    Twin XL $382
    Double/Full SOLD OUT
    Queen $399
    Compare at $1,099
    King SOLD OUT
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    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 SOLD OUT
    Twin XL $395
    Double/Full SOLD OUT
    Queen $475
    Compare at $999
    King SOLD OUT
    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 5
    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 SOLD OUT
    Twin XL $446
    Double/Full SOLD OUT
    Queen $475
    Compare at $999
    King SOLD OUT
    Online availability icon In-Stock Only 9 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    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 SOLD OUT
    Twin XL $722
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,699
    King SOLD OUT
    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 5
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic Plus® 1200 Series 15.5" Medium Firm Europillowtop Mattress SEALY® Posturepedic Plus® 1200 Series 15.5" Medium Firm Europillowtop 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 $815
    Twin XL $864
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,999
    King SOLD OUT
    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
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic Plus® 1200 Series 14" Firm Euro Top Mattress SEALY® Posturepedic Plus® 1200 Series 14" 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 SOLD OUT
    Twin XL $816
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,799
    King SOLD OUT
    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 5
    Pickup available icon Only Pickup available to
  • SEALY® Essentials 6" Firm Tight Top Foam Mattress - Single/Twin SEALY® Essentials 6" Firm Tight Top Foam Mattress - Single/Twin 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 $208
    Compare at $499
    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 5
    Pickup available icon Only Pickup available to
  • SEALY® Essentials 6" Firm Tight Top Foam Mattress - Twin XL SEALY® Essentials 6" Firm Tight Top Foam Mattress - Twin XL brand icon
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • CertiPUR-US™ SealySupport™ HD Core
    • SealySupport™ HD Foam
    Twin XL $243
    Compare at $599
    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 5
    Pickup available icon Only Pickup available to
  • SEALY® Essentials 6" Firm Tight Top Foam Mattress - Queen SEALY® Essentials 6" Firm Tight Top Foam Mattress - Queen brand icon
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • CertiPUR-US™ SealySupport™ HD Core
    • SealySupport™ HD Foam
    Queen $298
    Compare at $799
    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 5
    Pickup available icon Only Pickup available to
  • SEALY® Essentials 8" Medium Firm Tight Top Foam Mattress - Twin XL SEALY® Essentials 8" Medium Firm Tight Top Foam Mattress - Twin XL brand icon
    • CleanProtect™ Fabric
    • SealyLoft™ Quilt with Moisture Wicking Fibres
    • CertiPUR-US™ SealySupport™ HD Foam
    • CertiPUR-US™ SealySupport™ HD Core
    • SealySupport™ HD Foam
    Twin XL $355
    Compare at $799
    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 5
    Pickup available icon Only Pickup available to

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