Medium Best-Selling Mattresses Cooling 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
Not sure where to start? These are our best-selling mattresses — the value beds Canadians buy most. Our top sellers are led by affordable, Canadian-made models from our own NM line, Springwall and Chirofoam, spanning high-density foam, pocket-coil euro-tops and orthopedic hybrids — proof that great sleep doesn't have to be expensive. Most best-sellers land between about $200 and $750, and every one comes with a 365-night sleep trial, price-match guarantee and free delivery across Canada. Premium best-sellers from Sealy, Serta, Beautyrest and Tempur-Pedic are here too. • What "best-selling" means: the mattresses our customers buy most • Led by value, Canadian-made beds — NM, Springwall and Chirofoam • Popular constructions: high-density foam, pocket-coil euro-top and orthopedic hybrid • Most best-sellers between about $200 and $750 — great value • Premium best-sellers from Sealy, Serta, Beautyrest & Tempur-Pedic available too • Every order: 365-night sleep trial, price-match guarantee and free Canada-wide delivery
If you sleep hot, the right mattress can make all the difference. Our cooling mattresses are built to draw heat away from your body and keep you comfortable all night — using cooling technologies like gel-infused memory foam, cool-to-the-touch and phase-change covers, graphite and copper infusions, and breathable pocket-coil airflow. You'll find cooling builds across every brand — Sealy, Serta, Beautyrest, iComfort, Tempur-Pedic, Chirofoam and our own NM line — in foam, hybrid and pocket-coil, from plush to firm. If you wake up sweaty or run warm at night, start here. Every mattress includes a 365-night sleep trial, price-match guarantee and free delivery across Canada. • Best for: hot sleepers, night sweats, or anyone who runs warm • Cooling technologies: gel-infused memory foam, cool-to-the-touch & phase-change covers, graphite/copper infusions, breathable coil airflow • Builds: gel memory foam, hybrid and pocket-coil • Across every brand and firmness, plush to firm • Why it helps: draws heat away and improves airflow so you sleep cooler • 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  Best-Selling Mattresses Cooling Mattresses Adjustable Bed Base Friendly
Loading recommendations...

Items

Items

  • 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 Collection Logo
    • 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 $309
    Double/Full In stock for fast delivery SOLD OUT
    Queen In stock for fast delivery $387
    Compare at $899
    King In stock for fast delivery $535
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • National Mattress 12-inch medium-firm euro-top mattress, white quilted dome top, black diamond-quilted sides NM Hi-Loft Collection Logo
    • 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 to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Springwall Comfort Pockets 12-inch medium-firm euro-top mattress, white pebble-motif cover with grey woven sides Springwall Comfort Pockets Mattress Logo
    • 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 In stock for fast delivery $648
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • NM Cozy 12" Medium Firm Memory Foam Mattress
    BEST IN CLASS TOP RATED TRENDING
    National Mattress 12-inch medium-firm memory-foam mattress, tall white channel-quilted top, grey woven sides NM Cozy Collection Logo
    • Optimal High Resilient Bio-Foam Core
    • Gel Infused Visco Memory Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin In stock for fast delivery $571
    Twin XL In stock for fast delivery $629
    Double/Full In stock for fast delivery $639
    Queen In stock for fast delivery $694
    Compare at $1,299
    King In stock for fast delivery $967
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • BEAUTYREST® BeautySleep® 12.5" Medium Firm Pillow Top Mattress - 1 Beautyrest BeautySleep Logo
    • 815 Original Beautyrest® Pocketed Coil®
    • Gel-Infused Fibre Blend
    • AirFeel® Foam
    • Gel Foam + Gel Memory Foam
    • High-Density Foam Encasement
    Single/Twin $692
    Twin XL In stock for fast delivery $738
    Double/Full $750
    Queen In stock for fast delivery $791
    Compare at $1,899
    RV Short Queen $791
    King $959
    Online availability icon In-Stock Only 2 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • SERTA® Perfect Sleeper® 14.5" Medium Tight Top Mattress - 1 Serta Perfect Sleeper Premium Mattress Logo
    • 1050 3-Zoned Coil System
    • CoolFeel™ Plus Fabric
    • QuiltLoft™ Memory Foam
    • Cool Twist® Gel Memory Foam
    • Serta® Support Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $959
    Twin XL In stock for fast delivery $1,010
    Double/Full $1,026
    Queen $1,078
    Compare at $2,599
    King $1,244
    Online availability icon In-Stock Only 2 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Sealy Posturepedic Luxury 14.5-inch medium-firm hybrid euro-top mattress, quilted white top, charcoal sides Sealy Posturepedic Luxury Mattress Logo
    • 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 $1,066
    Double/Full $1,082
    Queen $1,175
    Compare at $2,799
    King $1,371
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Serta Perfect Comfort X 14-inch medium firm euro-top mattress, charcoal cover, grey feather quilt top Serta Perfect Comfort X Luxury Mattress Logo
    • 1250 Series 5 ZoneActive™ Pocket Coil System
    • Perfect Conform™ Graphite Memory Foam
    • CoolFeel Fabric™
    • QuiltLoft™ Memory Foam
    • PerfectPure™ Fibre
    • Designed and Made in Canada
    Twin XL In stock for fast delivery $1,149
    Double/Full $1,239
    Queen $1,323
    Compare at $3,199
    King $1,614
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Beautyrest Centennial 13.5-inch tight top medium-firm mattress, black sparkled top with grey sides Beautyrest Centennial Luxury Mattress Logo
    • 1850 T3 Triple Stranded Pocketed Coil® and Micro Coil Technology
    • SurfaceTouch™ Gel Memory Foam
    • Self-Response™ Latex
    • Beautyrest® Gel Support Foam
    • Sleep Climate™ Surface enhanced with cooling yarn
    Single/Twin In stock for fast delivery $2,259
    Twin XL In stock for fast delivery $2,289
    Double/Full $2,289
    Queen $2,339
    Compare at $3,299
    King $2,529
    Online availability icon In-Stock Only 8 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Stearns & Foster Lux Estate 16-inch medium-firm euro-top mattress, teal damask top, navy sides, coral tabs Stearns & Foster Lux Estate Luxury Mattress Logo
    • Indulge Quilt With Silk & Wool Fibres
    • Cooling Fibres With Tencel™
    • PrecisionMatch™ Memory Foam
    • Supportive Latex Comfort Layer
    • PrimaSense™ Gel Infused Comfort Layers
    • Intellicoil® Innerspring (Pocket Coil) With Intellicoil® Micro HD
    • Handmade By Certified Master Craftsman
    Twin XL In stock for fast delivery $2,549
    Double/Full $2,649
    Queen $2,749
    Compare at $4,399
    King $3,349
    Online availability icon In-Stock Only 6 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Beautyrest Centennial 14.5-inch medium-firm tight-top mattress, black gold-flecked top, charcoal quilted sides Beautyrest Centennial Luxury Mattress Logo
    • 2850 T3 Triple Stranded Pocketed Coil® and Micro Coil Technology
    • SurfaceTouch™ Gel Memory Foam
    • Self-Response™ Latex
    • Micro Diamond™ Memory Foam
    • Beautyrest® Gel Comfort Foam
    • Sleep Climate™ Surface enhanced with cooling yarn
    Single/Twin In stock for fast delivery $2,879
    Twin XL In stock for fast delivery $2,909
    Double/Full In stock for fast delivery $2,909
    Queen In stock for fast delivery $2,959
    Compare at $4,199
    King $3,159
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1
  • Beautyrest Centennial 16.5-inch medium-firm super-pillow-top mattress, black gold-flecked top, charcoal sides Beautyrest Centennial Luxury Mattress Logo
    • 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 $3,309
    Twin XL In stock for fast delivery $3,349
    Double/Full $3,349
    Queen $3,399
    Compare at $4,799
    King $3,599
    Online availability icon In-Stock Only 8 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Aug 12
    Pickup available icon Only Pickup available to
    M5H 2N1

12 Items

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...