Plush Side Sleeper Adjustable Base Compatible Black All Mattresses

Plush mattresses offer a soft, cushioning surface that lets your shoulders and hips sink in for pressure relief. They suit side sleepers, lighter bodies, and anyone who prefers a sink-in, hug-like feel over firm support. Compare every plush option below by brand, profile, and price.
Side sleepers need a mattress that cushions the shoulders and hips while keeping the spine aligned — usually a plush to medium feel with strong pressure relief and contouring. The options below help side sleepers avoid shoulder and hip pain. Compare them by brand, feel, and profile.
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.

Plush Side Sleeper Adjustable Base Compatible Black All Mattresses
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  • SPRINGWALL® 9.5" Plush Euro Top Foam Mattress SPRINGWALL® 9.5" Plush Euro Top Foam Mattress brand icon
    • Bio Comfort Foam Core
    • Cool Touch Stretch Knit Sleep Surface
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Made In Canada
    Single/Twin $261
    Twin XL In stock for fast delivery $356
    Double/Full In stock for fast delivery $361
    Queen In stock for fast delivery $418
    Compare at $899
    RV Short Queen $450
    King In stock for fast delivery $581
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 8
    Pickup available icon Only Pickup available to
  • SEALY® Cocoon™ 10" Plush Memory Foam Mattress SEALY® Cocoon™ 10" Plush Memory Foam Mattress brand icon
    • Premium Fabric Cover
    • Perfect Fit Memory Foam
    • Personalized Comfort Layer
    • Essential Support Foam
    • 10 Year Warranty
    Twin XL In stock for fast delivery $735
    Double/Full $765
    Queen In stock for fast delivery $829
    Compare at $2,199
    King $1,027
    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 8
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  • SEALY® Posturepedic Luxury® 15.5" Plush Hybrid Pillowtop Mattress SEALY® Posturepedic Luxury® 15.5" Plush Hybrid Pillowtop Mattress brand icon
    • SealyMAX™ Core System featuring SealyResponse™ PRO & SolidSupport™ Pocket Coils
    • GelSense™ MAX Memory Foam
    • SealySupport™ Gel HD Foam
    • SupremeLoft™ Quilt featuring Silk & Wool
    • SealyCool™ Fabric
    • SolidEdge™ PRO Coil Edge
    Twin XL In stock for fast delivery $1,450
    Double/Full $1,480
    Queen In stock for fast delivery $1,567
    Compare at $3,999
    King $1,837
    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 8
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  • SPRINGWALL® H2 Black Chiropractic® 16" Ultra Plush Pillow Top Mattress SPRINGWALL® H2 Black Chiropractic® 16" Ultra Plush Pillow Top Mattress brand icon
    • 4700 7-Zoned Chiropractic® Pocket Coils
    • 2X Graphite Ice Memory Foam
    • NgLatex® Natural Latex
    • AIRWAYS™ Specialty Foam
    • H2 Comfort Foam
    • CoreBalance™ Support System
    • Cold PE Technology Premium Fabric
    • Handcrafted and Individually Signed For Authenticity
    Single/Twin In stock for fast delivery $2,099
    Twin XL In stock for fast delivery $2,099
    Double/Full In stock for fast delivery $2,099
    Queen In stock for fast delivery $2,399
    Compare at $3,999
    King In stock for fast delivery $2,799
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 8
    Pickup available icon Only Pickup available to
  • SPRINGWALL® H2 Black Chiropractic® 16" Ultra Plush Hybrid Mattress SPRINGWALL® H2 Black Chiropractic® 16" Ultra Plush Hybrid Mattress brand icon
    • 4700 7-Zoned Chiropractic® Pocket Coils
    • 2X Graphite Ice Memory Foam
    • NgLatex® Natural Latex
    • AIRWAYS™ Specialty Foam
    • H2 Comfort Foam
    • CoreBalance™ Support System
    • Cold PE Technology Premium Fabric
    • Handcrafted and Individually Signed For Authenticity
    Single/Twin In stock for fast delivery $2,299
    Twin XL In stock for fast delivery $2,299
    Double/Full In stock for fast delivery $2,299
    Queen In stock for fast delivery $2,599
    Compare at $4,399
    King In stock for fast delivery $2,999
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 8
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  • BEAUTYREST® Centennial® 15.5" Pillow Top Plush Mattress BEAUTYREST® Centennial® 15.5" Pillow Top Plush Mattress brand icon
    • 1850 T3 Triple Stranded Pocketed Coil® and Micro Coil Technology
    • SurfaceTouch™ Gel Memory Foam
    • Self-Response™ Latex
    • Beautyrest® Gel Memory Foam
    • Beautyrest® Gel Support Foam
    • Sleep Climate™ Surface enhanced with cooling yarn
    Single/Twin In stock for fast delivery $2,459
    Twin XL In stock for fast delivery $2,499
    Double/Full In stock for fast delivery $2,499
    Queen In stock for fast delivery $2,549
    Compare at $3,899
    King $2,749
    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 8
    Pickup available icon Only Pickup available to
  • BEAUTYREST® Centennial® 16.5" Super Pillow Top Ultra Plush Mattress BEAUTYREST® Centennial® 16.5" Super Pillow Top Ultra Plush Mattress brand icon
    • 2850 T3 Triple Stranded Pocketed Coil® and Micro Coil Technology
    • SurfaceTouch™ Gel Memory Foam
    • Self-Response™ Latex
    • Micro Diamond™ Memory Foam
    • Beautyrest® Gel Memory Foam
    • Sleep Climate™ Surface enhanced with cooling yarn
    Single/Twin In stock for fast delivery $3,049
    Twin XL In stock for fast delivery $3,089
    Double/Full In stock for fast delivery $3,089
    Queen In stock for fast delivery $3,139
    Compare at $4,799
    King In stock for fast delivery $3,340
    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 8
    Pickup available icon Only Pickup available to
  • SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Single/Twin SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Single/Twin brand icon
    • Bio Comfort Foam Core
    • Cool Touch Stretch Knit Sleep Surface
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Made In Canada
    Single/Twin $261
    Compare at $599
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tuesday, Jun 23
  • SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Twin XL SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Twin XL brand icon
    • Bio Comfort Foam Core
    • Cool Touch Stretch Knit Sleep Surface
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Made In Canada
    Twin XL In stock for fast delivery $356
    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 8
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  • SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Double/Full SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Double/Full brand icon
    • Bio Comfort Foam Core
    • Cool Touch Stretch Knit Sleep Surface
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Made In Canada
    Double/Full In stock for fast delivery $361
    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 8
    Pickup available icon Only Pickup available to
  • SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Queen SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Queen brand icon
    • Bio Comfort Foam Core
    • Cool Touch Stretch Knit Sleep Surface
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Made In Canada
    Queen In stock for fast delivery $418
    Compare at $899
    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 8
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  • RV 60" x 74" SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Queen RV (Short Queen) RV 60" x 74" SPRINGWALL® 9.5" Plush Euro Top Foam Mattress - Queen RV (Short Queen) brand icon
    • Bio Comfort Foam Core
    • Cool Touch Stretch Knit Sleep Surface
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Made In Canada
    RV Short Queen $450
    Compare at $899
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tuesday, Jun 23

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