Firm MLILY® Adjustable Bed Compatible Mattresses Temperature-Regulating Mattresses All Mattresses

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
MLILY® is a global sleep brand known for memory-foam comfort and modern hybrid design, made in the USA. From the cooling PowerCool and the pocket-coil Midnight and ChiroPro hybrids to the all-foam WellFlex and the officially licensed Manchester United collection, MLILY pairs AeroFusion™ foams with individually pocketed coils for supportive, motion-isolating sleep. Backed by warranties up to 10 years and free next-day delivery in Toronto.
Not every mattress can bend with an adjustable base — but these can. Every mattress here is built to flex with the head and foot articulation of an adjustable base without damaging the comfort layers, so you can read, relax in Zero-Gravity or elevate your legs with confidence. In fact, over 90% of our mattresses are adjustable-compatible, spanning memory foam, hybrid and pocket-coil constructions from every brand — NM, Sealy, Serta, Beautyrest, Tempur-Pedic, Stearns & Foster and more — at every budget from about $109 to premium. Foam and hybrid models flex most easily, while rigid, thick tight-top innersprings generally don't. Pair any of these with one of our adjustable bases, and every mattress comes with a 365-night sleep trial and free delivery across Canada. • What this means: mattresses built to flex with an adjustable base's head & foot articulation • Over 90% of our mattresses are adjustable-compatible — every brand, every budget ($109+) • Best constructions for adjustable bases: memory foam, hybrid and pocket-coil • What usually won't work: rigid, thick tight-top innersprings that don't bend • Pairs with our adjustable bases (including split-king for independent sides) • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery
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

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.

Firm MLILY® Adjustable Bed Compatible Mattresses Temperature-Regulating Mattresses All Mattresses
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  • MLILY® PowerCool 11.5" Firm Hybrid Mattress
    CLEARANCE LIMITED STOCK NEW ARRIVAL
    MLILY® PowerCool 11.5" Firm Hybrid Mattress - 1 MLILY® PowerCool collection logo
    • Individually Pocketed Spring System
    • Fully Ventilated Cooling Cover
    • Ventilated Latex-Like AdaptiFoam®
    • Ventilated Flex Comfort Foam
    • 10 Year Warranty
    Twin XL SOLD OUT
    Queen SOLD OUT
    Compare at $3,399
    King SOLD OUT
    Online availability icon Out Of Stock
    In-Store availability icon On Display:
  • MLILY WellFlex Ice 1.0 14" Firm Memory Foam Mattress, smooth white top with blue wave pattern, dark charcoal border MLILY® WellFlex collection logo
    • Gel AeroFusion® Memory Foam with ActiveTemp™ PCM
    • BioBreeze™ Memory Foam
    • Performance Memory Foam
    • Cooling Organic Knit Cover with PCM
    • Flex Support Base Foam
    • 10 Year Warranty
    Twin XL In stock for fast delivery $2,399
    Queen $2,999
    Compare at $3,299
    King $3,499
    Online availability icon In-Stock Only 6 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jul 31 M5H 2N1
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  • MLILY® Midnight 1.0 12" Firm Hybrid Mattress - 1 MLILY® Midnight collection logo
    • Individually Pocketed Spring System
    • Patterned Knit Cover
    • Copper Gel AeroFusion® Memory Foam
    • Gentle Flex Foam
    • 10 Year Warranty
    Single/Twin $2,599
    Twin XL In stock for fast delivery $2,599
    Double/Full $2,899
    Queen $3,199
    Compare at $3,599
    King In stock for fast delivery $3,699
    Online availability icon In-Stock Only 8 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jul 31 M5H 2N1
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  • MLILY® Midnight Ice 1.0 14" Firm Hybrid Mattress - 1 MLILY® Midnight collection logo
    • Individually Pocketed Spring System
    • Cooling Knit Cover with PCM
    • Copper Gel AeroFusion® Memory Foam with ActiveTemp™ PCM
    • Gel AeroFusion® Memory Foam
    • 10 Year Warranty
    Twin XL In stock for fast delivery $3,099
    Queen $3,699
    Compare at $4,099
    King $4,199
    Online availability icon In-Stock Only 7 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jul 31 M5H 2N1
    Pickup available icon Only Pickup available to
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