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Firm Memory Foam Copper, Charcoal or Graphite Infusion Marshall® Compatible with Adjustable Bed Temperature-Regulating Mattresses All

Firm mattresses give you the most support of our everyday comfort levels — a solid, stable surface that keeps your spine aligned instead of sinking in. Firm is the go-to for back and stomach sleepers, heavier-weight sleepers who need extra support, and anyone looking for orthopedic, back-friendly comfort; side sleepers or those who like a softer feel may prefer our medium or plush options. Choose from tight-top, foam, euro-top and hybrid builds across Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Chirofoam and our own NM line — from budget-friendly models at $59 to premium, with free delivery across Canada. • Feel: firm gives a solid, supportive surface with minimal sink-in • Best for: back and stomach sleepers, heavier-weight sleepers, and orthopedic / back-pain support • Consider softer if you sleep on your side or want more cushioning — see our medium or plush options • Constructions: tight-top (most firm beds), foam, euro-top and hybrid • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Chirofoam, Springwall & NM • Prices: from $59 (budget) to premium — our widest price range • Want the firmest feel? See our extra-firm mattresses
Every mattress here has at least one layer of memory foam, in the comfort layers or quilted into the cover. Memory foam softens with body heat and slowly moulds to your shape, easing pressure at the shoulders and hips and absorbing movement. You will find it in all-foam beds and in hybrids, where it sits above pocket coils. For all-foam memory foam beds only, use Mattress Type.
These mattresses blend copper, charcoal, graphite or similar minerals into their foam layers or cover fabric. These materials conduct heat well, helping move warmth away from your body, and are also used to help keep the mattress fresh by resisting odour. A good place to start if you sleep warm and want cooling built into the materials themselves.
Marshall® is a Canadian name in handcrafted, pocketed-coil sleep. Each Marshall mattress is built in Canada on an 842 tempered pocketed-coil system with high-density encased edge support, spanning the Crafted and Assured series in medium, firm and plush feels, plus matching boxsprings to complete your set. Backed by a 10-year warranty and free next-day delivery in Toronto.
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
Firm Memory Foam Copper, Charcoal or Graphite Infusion Marshall® Compatible with Adjustable Bed Temperature-Regulating Mattresses All
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  • MARSHALL Assured 13" Tight Top Firm Mattress, quilted white top, silver lattice border, on a grey foundation Marshall® Assured Series collection logo
    • 842 Tempered Pocketed Coil System
    • Firm Tight-Top Feel
    • Luxury Firm TerraPur™ Latex
    • Firm Aireluxe™ Foam
    • Wool, Eucalyptus & Copper Knit Cover
    • Hand-Tufted Construction
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $2,250
    Twin XL $2,375
    Double/Full $2,625
    Queen In stock for fast delivery $2,750
    Compare at $4,299
    King $3,500
    Online availability icon In-Stock Only 1 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Nov 8on select sizesfast delivery truck icon
    Pickup available icon Only Pickup available to
    M5H 2N1
  • MARSHALL Crafted 13" Tight Top Firm Mattress, white quilted top with black trim on a grey boxspring Marshall® Crafted Series collection logo
    • 842 Tempered Pocketed Coil System
    • Firm Tight-Top Feel
    • Firm Aireluxe™ + Slow Recovery Visco Foam
    • Wool, Eucalyptus & Copper Knit Cover
    • Hand-Tufted Construction
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $1,625
    Twin XL $1,875
    Double/Full $1,975
    Queen $2,100
    Compare at $3,299
    King $2,600
    In-Store availability icon On Display:
    Estimated delivery icon Order today to receive by Fri, Nov 20

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