Medium Mattresses Temperature-Regulating Mattresses Edge Support Mattresses Adjustable Bed Base Friendly

Medium-firmness mattresses — often called medium-firm — sit right between plush and firm, which is why they're the most popular and versatile feel we carry. You get enough cushioning to relieve pressure with enough support to keep your spine aligned, making medium a safe choice for back sleepers, combination sleepers who change positions through the night, and couples who need a compromise between two preferences. Shop medium models from Sealy, Serta, Beautyrest, Stearns & Foster, iComfort and Tempur-Pedic across memory foam, hybrid, euro-top, pillow-top and tight-top builds — with free delivery across Canada. • Feel: medium sits between plush and firm — balanced and the most versatile of our four comfort levels • Also called "medium-firm" — the middle of the firmness scale • Best for: back sleepers, combination sleepers, couples, and most body types • Consider plush if you sleep on your side; firm if you sleep on your stomach or want more support • Constructions: euro-top, tight-top, pillow-top, memory foam and hybrid • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Springwall & NM • Prices: from $171 to premium
A temperature-regulating mattress works to keep you at a comfortable, balanced temperature all night and all year — not just cooling you down, but adapting as your body and the seasons change so you don't wake up too hot or too cold. These mattresses use heat-responsive and breathable materials — phase-change covers, gel and graphite foams, Tencel and natural fibres, and airflow-promoting coils — to absorb and release warmth as needed. It's ideal if you run hot and cold, share a bed with a partner who sleeps at a different temperature, or just want consistent comfort through every season. You'll find temperature-regulating builds across every brand — Sealy, Serta, Beautyrest, iComfort, Tempur-Pedic, Chirofoam and our own NM line. Sleep hot specifically? See our cooling mattresses. Every mattress includes a 365-night sleep trial and free delivery across Canada. • What it does: holds a balanced, neutral temperature — adapts so you're not too hot or too cold • How it works: phase-change covers, gel & graphite foams, Tencel/natural fibres and breathable coil airflow • Best for: people who run hot and cold, couples with different sleep temperatures, and year-round comfort • Cooling vs regulating: cooling sleeps cold (for hot sleepers); regulating holds a steady, balanced temp • Across every brand and firmness • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery
Edge support mattresses are reinforced around the perimeter so the edge feels as solid as the middle — you can sleep right up to the side without that sinking, roll-off feeling, sit on the edge to get dressed without it caving, and use the full surface of the bed. It's a feature that matters most for couples sharing the space, anyone who sits on the edge to get in and out of bed, and heavier-weight sleepers. These are mostly our pocket-coil and hybrid mattresses with full-perimeter coils or foam-encased edges — from Springwall (Full Perimeter Comfort Pockets), Sealy, Serta, Beautyrest, iComfort, Stearns & Foster and our own NM line. Every mattress includes a 365-night sleep trial and free delivery across Canada. • What it does: a reinforced perimeter so the edge stays firm — no sinking or rolling off • Why it matters: more usable sleep surface, easier to sit on the edge and get in and out of bed • Best for: couples sharing space, anyone who sits on the edge, and heavier-weight sleepers • How it works: full-perimeter pocket coils or foam-encased edges (mostly coil & hybrid; all-foam edges are softer) • Brands: Springwall (Full Perimeter Comfort Pockets), Sealy, Serta, Beautyrest, iComfort, Stearns & Foster & NM • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery

Shop adjustable base friendly mattresses from Beautyrest, Serta, Sealy, Tempur-Pedic, Springwall, iComfort, and Stearns & Foster at National Mattress — 169+ models in memory foam, hybrid, latex, eurotop, and tight-top constructions from $59 to $6,640. Every mattress in this collection is manufacturer-verified to flex and articulate with adjustable bases without voiding the warranty. Available in Twin through King sizes with firmness levels from extra firm to plush, all with CertiPUR-US® certified foams. 100% of models are manufactured in Canadian factories. All orders include free Canada-wide delivery, a 365-night sleep trial, and 5–15 year warranty coverage.

Medium Mattresses Temperature-Regulating Mattresses Edge Support Mattresses Adjustable Bed Base Friendly
Loading recommendations...

Items

Express delivery icon

Items

  • SPRINGWALL® 6" Medium Firm Tight Top Foam Mattress
    BEST IN CLASS TRENDING LIMITED STOCK
    Springwall 6-inch medium-firm tight-top foam mattress with patterned white quilted cover and charcoal sides SPRINGWALL® 6" Medium Firm Tight Top Foam Mattress brand icon
    • Bio Comfort Foam Core
    • Gel Quilt Foam
    • Stretch Knit
    • Reduced Motion Transfer
    • Made In Canada
    Single/Twin $171
    Twin XL In stock for fast delivery $228
    Double/Full In stock for fast delivery $231
    Queen In stock for fast delivery $271
    Compare at $599
    RV Short Queen $290
    King In stock for fast delivery $381
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to
  • 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® 7" Medium Firm Tight Top Foam Mattress brand icon
    • Bio Comfort Foam Core
    • Gel Quilt Foam
    • Convoluted Bio Comfort Foam
    • Reduced Motion Transfer
    • Made In Canada
    Single/Twin $206
    Twin XL In stock for fast delivery $283
    Double/Full In stock for fast delivery $287
    Queen $335
    Compare at $799
    RV Short Queen $360
    King In stock for fast delivery $476
    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 22
    Pickup available icon Only Pickup available to
  • Sealy Essentials 8-inch medium-firm tight-top foam mattress, quilted blue-grey top, white sides, navy piping 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 In stock for fast delivery $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 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to
  • National Mattress 8-inch medium-firm euro-top foam mattress, white diamond-quilted top, charcoal piping NM® HD+™ Core 8" Medium Firm Euro-Top Foam Mattress brand icon
    • High Density Foam Core
    • High Resilience Comfort Foam
    • Soft Luxurious Cotton Cover
    • 5 Year Warranty
    • Made In Toronto, Canada
    Single/Twin $229
    Twin XL In stock for fast delivery $288
    Double/Full In stock for fast delivery $312
    Queen In stock for fast delivery $338
    Compare at $699
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to
  • NM Cozy 8" Medium Firm Memory Foam Mattress
    BEST IN CLASS TOP RATED TRENDING
    National Mattress 8-inch medium-firm memory-foam mattress, smooth white tight-top, charcoal sides, NM badge NM Cozy 8" Medium Firm Memory Foam Mattress brand icon
    • High Density Foam Core
    • Cool Gel Memory Foam
    • Hypoallergenic Bamboo Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $289
    Double/Full In stock for fast delivery $399
    Twin XL In stock for fast delivery $399
    Queen In stock for fast delivery $428
    Compare at $899
    King In stock for fast delivery $640
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to
  • 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 10" Medium Firm Euro Top Mattress brand icon
    • 800 Hi-Loft Pocket Coil
    • Cool Gel infused memory foam
    • Luxurious Knit Fabric
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $318
    Double/Full In stock for fast delivery $325
    Queen In stock for fast delivery $347
    Compare at $699
    King $535
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to
  • Springwall Comfort Pockets 12-inch medium-firm euro-top mattress, white pebble-motif cover with grey woven sides SPRINGWALL® Comfort Pockets® 12" Medium Firm Euro-Top Mattress brand icon
    • 884 Full Perimeter Comfort Pockets® (Pocket Coils)
    • Bio Foam with Gel
    • HD Medium Bio Comfort Foam
    • Bio Comfort Quilted Stretch knit surface
    • Made In Canada
    Single/Twin In stock for fast delivery $323
    Twin XL In stock for fast delivery $419
    Double/Full In stock for fast delivery $426
    Queen In stock for fast delivery $511
    Compare at $1,099
    RV Short Queen In stock for fast delivery $550
    King $648
    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 22
    Pickup available icon Only Pickup available to
  • Evergreen 12-inch tight-top medium-firm organic latex mattress, white button-tufted top, sage piped border EVERGREEN™ 12" Tight-Top Medium-Firm Organic Latex Mattress brand icon
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimeter
    • Organic Latex Comfort Layer
    • Bio-Foam natural foam content support layers
    • Organic Cotton Quilt with Organic Latex and Organic Wool
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $402
    Twin XL In stock for fast delivery $548
    Double/Full In stock for fast delivery $556
    Queen In stock for fast delivery $645
    Compare at $1,199
    King In stock for fast delivery $840
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to
  • Springwall HC flippable 12-inch medium-firm euro-top mattress, white aloe vera cover with grey damask quilted sides SPRINGWALL® HC Flippable 12" Medium Firm Euro Top Mattress brand icon
    • 884 Full Perimeter Comfort Pockets® (Pocket Coils)
    • Bio Foam with Gel
    • Cool Touch Stretch Knit Sleep Surface
    • Flippable Bio Comfort Quilted Stretch knit surface
    • Made In Canada
    Single/Twin In stock for fast delivery $403
    Twin XL In stock for fast delivery $546
    Double/Full In stock for fast delivery $554
    RV Short Queen In stock for fast delivery $606
    Queen In stock for fast delivery $657
    Compare at $1,399
    King In stock for fast delivery $857
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to
  • Sealy Essentials 11-inch medium-firm tight-top mattress, blue-speckled flat top, white pinstriped sides 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 $423
    Double/Full In stock for fast delivery $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 22
    Pickup available icon Only Pickup available to
  • NM® Hi-Loft™ Elite 12" Medium Firm Euro Top Mattress NM® Hi-Loft™ Elite 12" Medium Firm Euro Top Mattress brand icon
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimeter
    • Cool Gel infused memory foam
    • Bio-Foam natural foam content reduces your carbon footprint
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $411
    Twin XL In stock for fast delivery $455
    Double/Full In stock for fast delivery $462
    Queen In stock for fast delivery $498
    Compare at $999
    King In stock for fast delivery $698
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to
  • Serta Modern Series 8-inch medium-firm gel foam mattress, low-profile white geometric cover, navy base SERTA® Modern Series™ 8" Medium Firm Gel Foam Mattress brand icon
    • 8 Inch Model with Double Layers of Comfort
    • Serta CoolWick Breathable Cover
    • PureComfort Gel Foam with PureComfort Foam Support Core
    • Designed and Built in Canada
    Single/Twin $431
    Twin XL In stock for fast delivery $445
    Double/Full $488
    Queen In stock for fast delivery $535
    Compare at $1,299
    King In stock for fast delivery $653
    Online availability icon In-Stock Only 8 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 22
    Pickup available icon Only Pickup available to

Items 1-12 of 310

Showing of products

What Makes a Mattress Adjustable Base Friendly?

An adjustable base friendly mattress is designed to flex and bend repeatedly without damaging its internal structure. Not every mattress can handle this — traditional innerspring models with rigid continuous-coil systems and thick euro-tops can crease or lose support when elevated. The best options for adjustable bases include memory foam, latex, hybrid pocket-coil, and individually wrapped pocket coil mattresses, all of which articulate smoothly at the head and foot sections.

At National Mattress, every product listed in this category has been verified as adjustable base compatible by the manufacturer. Key features to consider include mattress height (models under 14″ generally flex most easily), coil type (pocket coils move independently and bend better than connected coils), and foam density (higher-density foams maintain their shape through thousands of flex cycles). If you already own a Lifestyle adjustable base or are planning to pair your mattress with one, look for models with low motion transfer and pressure point relief to get the full benefit of zero-gravity and elevated sleeping positions.

🔄

Flex-Tested Construction

Every mattress in this collection is manufacturer-verified to bend and articulate with adjustable bases without voiding the warranty.

🎯

169 Models, 10 Brands

Choose from Beautyrest, Serta, Sealy, Tempur-Pedic, Springwall, iComfort, and more — from $59 to $6,640.

🍃

CertiPUR-US® Certified

All foams are independently tested for harmful chemicals, heavy metals, and low VOC emissions for healthier indoor air.

🍁

Canadian-Made

100% of our adjustable-friendly mattresses are manufactured in Canadian factories with free delivery and 5–15 year warranties.

Frequently Asked Questions About Adjustable Base Friendly Mattresses

Which mattress types work best on an adjustable base?
Memory foam, latex, and hybrid mattresses with individually wrapped pocket coils flex best on adjustable bases. These constructions bend at the head and foot without creasing or damaging internal components. Avoid mattresses with rigid continuous-coil systems, as they resist articulation and can break down faster.
Will using an adjustable base void my mattress warranty?
No — every mattress in this category is manufacturer-approved for use with adjustable bases, so your warranty remains fully valid. National Mattress carries models with 5, 10, and 15-year warranty coverage. Always confirm compatibility before pairing a mattress not listed in this category with an adjustable frame.
Can I use an adjustable base friendly mattress on a regular bed frame?
Yes. Every adjustable-friendly mattress works equally well on platform beds, slatted frames, box springs, and standard foundations. Buying an adjustable-compatible model now gives you flexibility to add an adjustable base later without replacing your mattress.
What are the benefits of sleeping on an adjustable base?
Adjustable bases let you elevate your head and feet independently, which can help reduce snoring, ease acid reflux symptoms, relieve lower back pressure, and improve circulation. The zero-gravity position — head and knees slightly elevated — distributes body weight more evenly and may reduce pressure points.
How thick can a mattress be and still work on an adjustable base?
Most adjustable bases accommodate mattresses between 8″ and 14″ in height. Thinner mattresses (under 12″) generally flex more easily, while thicker models may bend less dramatically at the joints. National Mattress carries adjustable-compatible models from 4″ to 18″ — all verified by the manufacturer.
Do adjustable base friendly mattresses ship free across Canada?
Yes. National Mattress offers free express delivery across Canada on orders over $199 — which covers the vast majority of adjustable-friendly mattresses in this collection. Orders also include a 365-night sleep trial and price match guarantee.

Not Sure Which Adjustable-Friendly Mattress Is Right for You?

Our non-commissioned sleep experts can help match you with the right mattress and adjustable base combination — no sales pressure, just honest guidance.

Loading recommendations...