Medium Premium Back Sleeper Cooling Technology Grey All Mattresses

Medium mattresses balance cushioning and support — soft enough to relieve pressure, firm enough to keep your spine aligned. This medium-firm feel is the most universally comfortable choice, suiting combination sleepers, couples with different preferences, and most back and side sleepers. Compare every medium option below by brand and profile.
Premium mattresses step up the materials, support systems, and comfort layers for a noticeably more refined sleep — without the top-tier price. They suit shoppers who want lasting quality and a more luxurious feel for their primary bedroom. Compare every premium option below by brand, type, and feel.
Back sleepers do best on a mattress that supports the lower back while gently following the spine's natural curve — typically a medium to medium-firm feel. The options below balance support and pressure relief for back sleepers. Compare them by brand, feel, and profile.
Cooling-technology mattresses use gel-infused foams, phase-change covers, or cooling fibres that actively pull heat away from your body — ideal for hot sleepers who wake up overheated. Compare every cooling 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.

Medium Premium Back Sleeper Cooling Technology Grey All Mattresses
Loading recommendations...

Items

Express delivery icon

Items

  • 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 $458
    Twin XL In stock for fast delivery $525
    Double/Full In stock for fast delivery $536
    Queen $595
    Compare at $1,499
    King $845
    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 6
    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 $598
    Twin XL In stock for fast delivery $648
    Double/Full In stock for fast delivery $691
    Queen In stock for fast delivery $747
    Compare at $1,899
    King $1,043
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 6
    Pickup available icon Only Pickup available to
  • BEAUTYREST® 14" Euro Top Medium-Firm Mattress BEAUTYREST® 14" Euro Top Medium-Firm Mattress brand icon
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Plush Gel Foam
    • Beautyrest® Support Foam
    • Beautyrest® Antimicrobial Fibre Technology
    Single/Twin $706
    Twin XL In stock for fast delivery $753
    Double/Full $764
    Queen $805
    Compare at $1,699
    King $974
    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 6
    Pickup available icon Only Pickup available to
  • BEAUTYREST® 13" Tight Top Medium-Firm Mattress BEAUTYREST® 13" Tight Top Medium-Firm Mattress brand icon
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • SurfaceTouch™ Gel Memory Foam
    • Beautyrest® Plush Gel Foam
    • InfiniCool™ Technology
    • Beautyrest® Antimicrobial Fibre Technology
    Single/Twin In stock for fast delivery $706
    Twin XL In stock for fast delivery $753
    Double/Full $764
    Queen $805
    Compare at $2,099
    King $974
    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 6
    Pickup available icon Only Pickup available to
  • BEAUTYREST® World Class™ 12.5" Hybrid Medium-Firm Mattress BEAUTYREST® World Class™ 12.5" Hybrid Medium-Firm Mattress brand icon
    • 1000 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Medium Gel Foam
    • World Class Relief™ HD Foam
    • InfiniCool™ Technology
    Twin XL In stock for fast delivery $1,039
    Double/Full $1,055
    Queen $1,100
    Compare at $2,899
    King $1,266
    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 6
    Pickup available icon Only Pickup available to
  • BEAUTYREST® World Class™ 13" Tight Top Medium-Firm Mattress BEAUTYREST® World Class™ 13" Tight Top Medium-Firm Mattress brand icon
    • 1000 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • SurfaceTouch™ Gel Memory Foam
    • World Class Relief™ HD Foam
    • InfiniCool™ MAX Technology
    • Beautyrest® Natural Lux Fibre Technology
    Single/Twin In stock for fast delivery $1,051
    Twin XL In stock for fast delivery $1,103
    Double/Full $1,120
    Queen $1,174
    Compare at $2,999
    King $1,341
    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 6
    Pickup available icon Only Pickup available to
  • BEAUTYREST® World Class™ 15.5" Pillow Top Medium-Firm Mattress BEAUTYREST® World Class™ 15.5" Pillow Top Medium-Firm Mattress brand icon
    • 1000 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • SurfaceTouch™ Gel Memory Foam
    • World Class Relief™ HD Foam
    • InfiniCool™ MAX Technology
    • Beautyrest® Natural Lux Fibre Technology
    Single/Twin $1,121
    Twin XL In stock for fast delivery $1,175
    Double/Full $1,193
    Queen $1,248
    Compare at $3,199
    King $1,416
    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 6
    Pickup available icon Only Pickup available to
  • BEAUTYREST® World Class™ 13.5" Hybrid Medium-Firm Mattress BEAUTYREST® World Class™ 13.5" Hybrid Medium-Firm Mattress brand icon
    • 1000 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • Beautyrest® Firm Gel Foam
    • 2X World Class Relief™ HD Foam
    • InfiniCool™ Technology
    Twin XL In stock for fast delivery $1,175
    Double/Full $1,193
    Queen $1,248
    Compare at $3,199
    King $1,416
    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 6
    Pickup available icon Only Pickup available to
  • BEAUTYREST® World Class™ 16" Pillow Top Medium-Firm Mattress BEAUTYREST® World Class™ 16" Pillow Top Medium-Firm Mattress brand icon
    • 1000 Beautyrest® Pocketed Coil Technology
    • 2X Beautyrest® ActiveResponse Memory Foam
    • SurfaceTouch™ Gel Memory Foam
    • World Class Relief™ HD Foam
    • InfiniCool™ MAX Technology
    • Beautyrest® Natural Lux Fibre Technology
    Single/Twin In stock for fast delivery $1,262
    Twin XL In stock for fast delivery $1,318
    Double/Full $1,338
    Queen $1,395
    Compare at $3,599
    King $1,558
    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 6
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic® 800 Series 13" Medium Firm Euro Top Mattress - Single/Twin SEALY® Posturepedic® 800 Series 13" Medium Firm Euro Top Mattress - Single/Twin 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 $458
    Compare at $1,199
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tuesday, Jun 23
  • SEALY® Posturepedic® 800 Series 13" Medium Firm Euro Top Mattress - Twin XL SEALY® Posturepedic® 800 Series 13" Medium Firm Euro Top Mattress - Twin XL 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
    Twin XL In stock for fast delivery $525
    Compare at $1,399
    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 6
    Pickup available icon Only Pickup available to
  • SEALY® Posturepedic® 800 Series 13" Medium Firm Euro Top Mattress - Double/Full SEALY® Posturepedic® 800 Series 13" Medium Firm Euro Top Mattress - Double/Full 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
    Double/Full In stock for fast delivery $536
    Compare at $1,399
    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 6
    Pickup available icon Only Pickup available to

Items 1-12 of 54

Showing of products

Loading recommendations...