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Plush Adjustable Bed Base Friendly Mattresses with Edge Support

Plush mattresses are the softest comfort level we carry — built with thick pillow-top and euro-top comfort layers (plus plush memory foam and hybrid options) that cradle your shoulders and hips for a soft, sink-in feel. Plush is the top choice for side sleepers and lighter-weight sleepers who need extra cushioning at the pressure points; back and stomach sleepers, or anyone who wants firmer support, may prefer our medium or firm options. Shop plush models from Sealy, Serta, Beautyrest, Stearns & Foster, iComfort and Tempur-Pedic in memory foam, hybrid and pocket-coil builds — with free delivery across Canada. • Feel: plush is the softest of our four comfort levels (plush, medium, firm, extra firm) • Best for: side sleepers and lighter-weight sleepers — cushions shoulders and hips • Consider firmer if: you sleep on your back or stomach, are heavier, or want more support • Plush constructions: pillow-top, euro-top, plush memory foam and hybrid • Builds: memory foam, hybrid and pocket-coil • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort & Tempur-Pedic • Prices: from $224 to premium
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 an adjustable base without voiding the warranty. Available in Twin through King sizes with firmness levels from extra firm to plush, all built with CertiPUR-US® certified foams, including Canadian-made options. Free delivery is available, along with a 365-night sleep trial and 5–15 year warranty coverage.

Shop edge support mattresses at National Mattress, a range of models from Beautyrest, Sealy, Serta, Springwall, Tempur-Pedic, and Stearns & Foster in Single/Twin through King sizes. Choose from eurotop, tight-top, hybrid, memory foam, and latex builds featuring reinforced perimeter systems like BeautyEdge®, SolidEdge™, and foam encasement for full-surface stability. Available in extra firm, firm, medium, and plush comfort levels, all CertiPUR-US® certified and manufactured in Canadian factories with delivery information, sleep trial terms, and warranty information available.

Plush Adjustable Bed Base Friendly Edge Support
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  • Serta Perfect Sleeper 11-inch plush pillow-top, white-blue burst quilting, charcoal sides Serta Perfect Sleeper Premium Mattress Logo
    • 825 Edition Custom Support Coil System
    • CoolFeel Fabric™
    • Gel Band Support
    • Serta® Support Foam
    • PillowSoft® Foam
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL SOLD OUT
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,499
    King SOLD OUT
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  • Serta Perfect Sleeper 13.5-inch plush pillow-top mattress, white blue-burst top, charcoal-navy sides Serta Perfect Sleeper Premium Mattress Logo
    • 850 Edition Custom Support Zoned Coil System
    • CoolFeel Fabric™
    • Serta® Antimicrobial Fibre
    • Cool Twist® Gel Memory Foam
    • Serta® Support Foam
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL In stock for fast delivery $392
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $1,999
    King SOLD OUT
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  • Serta Perfect Sleeper 14-inch plush hybrid, flat blue floral top, charcoal sides, navy piping Serta Perfect Sleeper Premium Mattress Logo
    • 1000 Series 3-Zoned Coil System
    • CoolFeel Fabric™
    • Serta® PillowSoft® Foam
    • Cool Twist® Gel Memory Foam
    • Hybrid Design
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL In stock for fast delivery $471
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $2,099
    King SOLD OUT
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  • BEAUTYREST® Harmony Lux™ 13" Plush Hybrid Mattress Beautyrest Harmony Lux Mattress Collection Logo
    • Beautyrest® T2 Pocketed Coil Technology
    • Beautyrest® ActiveResponse™ Memory Foam
    • Precision Support System™ + Beautyrest® Foam Edge
    • InfiniCool®
    • Seaqual™ Fabric Technology
    Queen SOLD OUT
    Compare at $2,199
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  • Serta Perfect Sleeper Premium 15-inch plush pillow-top, deep-blue floral quilting, charcoal sides Serta Perfect Sleeper Premium Mattress Logo
    • 1000 Series 3-Zoned Coil System
    • CoolFeel Fabric™
    • Serta® Antimicrobial Fibre
    • Cool Twist® Gel Memory Foam
    • Serta® PillowSoft® Foam
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL In stock for fast delivery $455
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $2,299
    King SOLD OUT
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  • Serta iComfort ECO 13.5-inch plush latex mattress, navy cover with wavy white top, snowflake cooling accent Serta iComfort Logo
    • CoolTemp™ Cover powered by REPREVE®
    • Terra Fusion™ Memory Foam
    • iComfort® Gel Memory Foam
    • Latex Foam
    • CertiPUR-US® certified foams.
    • 100% Canada Assembled
    Queen In stock for fast delivery $1,166
    Compare at $3,999
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    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 23
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  • BEAUTYREST® Harmony Lux™ 14" Plush Hybrid Mattress Beautyrest Harmony Lux Mattress Collection Logo
    • Beautyrest® T2 Pocketed Coil Technology
    • Beautyrest® ActiveResponse™ Memory Foam
    • Beautyrest® Bio-Charcoal Memory Foam
    • Precision Support System™ + Beautyrest® Foam Edge
    • Seaqual™ Fabric Technology with InfiniCool® LUX
    Queen SOLD OUT
    Compare at $2,399
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  • Beautyrest Quintessence 15-inch plush pillow-top mattress, deep-tufted floral cover, charcoal woven side Beautyrest Quintessence Mattress Collection Logo
    • Beautyrest® T3 Pocketed Coil Technology
    • WinterCool™ Tri-Fiber with alpaca, cashmere, and silk.
    • WinterCool™ Sleep System with 4 distinct cooling technologies.
    • WinterCool™ Carbon Foam and GelTouch® Foam
    Twin XL In stock for fast delivery $792
    Queen SOLD OUT
    Compare at $3,299
    King SOLD OUT
    Online availability icon In-Stock Only 6 left!
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  • Serta iComfort ECO 12.5-inch plush memory foam mattress, wavy top, navy side, twin cooling snowflakes Serta iComfort Logo
    • CoolTemp™ Cover powered by REPREVE®
    • Terra Fusion™ Memory Foam
    • EverCool® Supreme Memory Foam
    • iComfort® Gel Memory Foam
    • CertiPUR-US® certified foams.
    • 100% Canada Assembled
    Queen In stock for fast delivery $1,604
    Compare at $3,299
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  • Beautyrest Quintessence 18-inch ultra plush super pillow-top mattress, domed grey damask top, herringbone side Beautyrest Quintessence Mattress Collection Logo
    • Beautyrest® T3 Pocketed Coil Technology
    • Beautyrest® Gel Memory Foam
    • WinterCool™ Carbon Foam and GelTouch® Foam
    • WinterCool™ Tri-Fiber with alpaca, cashmere, and silk.
    • WinterCool™ Sleep System with 4 distinct cooling technologies.
    • WinterCool™ Carbon Foam and GelTouch® Foam
    Queen SOLD OUT
    Compare at $3,899
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  • Serta iComfort ECO HD 14.5-inch plush memory foam mattress, wavy top, deep navy side, three snowflakes Serta iComfort Logo
    • CoolTemp™ Cover powered by REPREVE®
    • Terra Fusion™ Memory Foam
    • iComfort® Gel Memory Foam
    • CustomFit™ HD Memory Foam
    • Latex Foam
    • CertiPUR-US® certified foams.
    • 100% Canada Assembled
    Queen SOLD OUT
    Compare at $4,699
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What Is Edge Support and Why Does It Matter?

Edge support refers to the reinforced perimeter structure of a mattress that prevents sagging or roll-off when you sit or sleep near the sides. Mattresses with strong edge support use technologies like foam encasement, reinforced coil borders, or dedicated edge systems, such as Beautyrest’s BeautyEdge®, Sealy’s SolidEdge™ PRO, and Springwall’s SpringWALL Edge System, to create a stable, usable sleeping surface from edge to edge. This effectively increases the functional sleep area by up to 15–20%, which is especially valuable for couples sharing a Queen or King mattress.

When choosing an edge support mattress at National Mattress, consider your mattress type: pocket coil and hybrid models typically deliver the strongest perimeter stability, while memory foam mattresses with high-density foam encasement offer a solid alternative without coils. Firmness also plays a role, firm and extra firm mattresses naturally resist edge compression more than plush models. The edge support mattresses in this collection are CertiPUR-US® certified and manufactured in Canadian factories 🍁.

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Reinforced Perimeter

Foam encasement, BeautyEdge®, SolidEdge™, and SpringWALL Edge systems prevent roll-off and sagging along every side of the mattress.

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More Usable Sleep Surface

Strong edge support extends the functional sleeping area to the full mattress width, especially important for couples and shared beds.

Easier Entry & Exit

A firm, stable perimeter makes getting in and out of bed easier, a key benefit for older adults and those with mobility concerns.

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Canadian-Made Quality

100% of edge support mattresses at National Mattress are manufactured in Canadian factories with free delivery and manufacturer warranty information available.

Frequently Asked Questions About Edge Support Mattresses

Which mattress types have the strongest edge support?
Pocket coil and hybrid mattresses generally deliver the strongest edge support because their coil systems can be reinforced along the perimeter. Models using Beautyrest’s BeautyEdge® or Sealy’s SolidEdge™ PRO coil borders are among the firmest at the edges. Memory foam mattresses with high-density foam encasement also provide solid perimeter stability.
Why is edge support important for couples?
Reinforced edges prevent the “roll-to-the-centre” effect that happens when the perimeter compresses under body weight. This means each partner can sleep comfortably right to the edge, effectively maximising the usable surface area of a Queen or King mattress. It also makes sitting on the side of the bed more stable.
Can I use an edge support mattress on an adjustable base?
Yes, 100% of our mattresses with edge support at National Mattress are compatible with adjustable bases. Foam encasement and flexible pocket coil edges bend with the base without compromising perimeter stability. Check the “Compatible with Adjustable Beds” specification on each product page to confirm.
What edge support technologies do your brands use?
Each brand uses proprietary systems: Beautyrest features BeautyEdge® foam or coil encasement, Sealy uses SolidEdge™ PRO and EssentialEdge™ coil borders, Springwall uses its SpringWALL Edge System, and Stearns & Foster offers ventilated PrecisionEdge™ with AirVents™. NM-brand mattresses use HD+™ foam edge guards. Browse by brand on our edge support guide for detailed comparisons.
How much do edge support mattresses cost at National Mattress?
Compare the current price for your preferred model and size on its product page. Read our delivery information, sleep trial terms, and price match policy as part of your decision.
Does edge support make a mattress firmer overall?
Not necessarily. Edge support reinforces only the perimeter, the centre sleep surface retains its intended comfort level. You can find edge support mattresses across all firmness levels at National Mattress, from extra firm to plush. The edge system prevents side-sag without changing the feel where you actually sleep.

Not Sure Which Edge Support Mattress Is Right for You?

Our non-commissioned sleep experts can help you compare edge support technologies and find the right firmness for your sleep style, no sales pressure, just honest guidance.

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