King Hypoallergenic All Mattresses

King mattresses measure 76" × 80" — the widest standard size, giving each partner the same personal space as a twin. They're the top choice for couples who want maximum room, families who co-sleep, and larger master bedrooms. Compare every king option below by brand, feel, and price.
Hypoallergenic mattresses use materials and covers that resist dust mites, mould, and common allergens — a better choice for allergy sufferers, asthma, and sensitive skin. Compare every hypoallergenic option below by brand, type, and feel.

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.

King Hypoallergenic All Mattresses
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  • NM 8" Medium Firm Memory Foam Mattress - King NM 8" Medium Firm Memory Foam Mattress - King brand icon
    • High Density Foam Core
    • Cool Gel Memory Foam
    • Hypoallergenic Bamboo Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    King $640
    Compare at $1,199
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  • NM 10″ Firm Memory Foam Mattress - King NM 10″ Firm Memory Foam Mattress - King brand icon
    • Optimal High Resilient Bio-Foam Core
    • Visco Memory Foam
    • Pressure Relieving Comfort Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    King $887
    Compare at $1,599
    Online availability icon In-Stock Only 4 left!
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  • NM 12″ Medium Firm Memory Foam Mattress - King NM 12″ Medium Firm Memory Foam Mattress - King brand icon
    • Optimal High Resilient Bio-Foam Core
    • Gel Infused Visco Memory Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    King $967
    Compare at $1,799
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  • SEALY® Posturepedic® Natural Origins 13.5" Firm Tight Top Latex Mattress - King SEALY® Posturepedic® Natural Origins 13.5" Firm Tight Top Latex Mattress - King brand icon
    • OEKO-TEX Certified BioGel Latex
    • SealyCool Fibres with Silk & Wool
    • Organic Cotton Infused with Bamboo
    • Targeted ComfortSense Memory Foam
    • SealySupport HD Core
    • CertiPUR-US® Approved Foam
    King $1,235
    Compare at $2,499
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  • EVERGREEN™ 12" Medium-Firm Organic Latex Foam Mattress - King EVERGREEN™ 12" Medium-Firm Organic Latex Foam Mattress - King brand icon
    • Open Cell Bio Foam Core
    • 4" Organic Latex Comfort Layer
    • 1" Organic Latex Support Panel
    • Organic Cotton Quilt
    • 10 Year Warranty
    • Made In Toronto, Canada
    King $1,575
    Compare at $2,799
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  • OPEN BAG - SERTA® iComfort® PRO 14.5" Firm Euro Top Latex Mattress - King OPEN BAG - SERTA® iComfort® PRO 14.5" Firm Euro Top Latex Mattress - King brand icon
    • CoolFeel™ Pro System
    • 5 ZoneResponse™ Design
    • 2X Graphite-Infused True Response™ Latex Foam
    • 2X True Response™ Latex Foam
    • Derived from 100% Natural Latex
    • 100% Canada Assembled
    King $1,813
    Compare at $6,199
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  • EVERGREEN 100% Certified Organic 10" Firm Latex Mattress - King EVERGREEN 100% Certified Organic 10" Firm Latex Mattress - King brand icon
    • 100% Certified Natural Organic Latex
    • Global Organic Latex Standard – Certified 100% Natural
    • Eco-Institute – No Fillers or Hazardous Particles
    • Oeko-Tex Standard 100 – No Harmful Substances
    • ABC Research Laboratories – Certified Antimicrobial
    King $2,650
    Compare at $4,899
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  • EVERGREEN 100% Certified Organic 10" Medium Firm Latex Mattress - King EVERGREEN 100% Certified Organic 10" Medium Firm Latex Mattress - King brand icon
    • 100% Certified Natural Organic Latex
    • Global Organic Latex Standard – Certified 100% Natural
    • Eco-Institute – No Fillers or Hazardous Particles
    • Oeko-Tex Standard 100 – No Harmful Substances
    • ABC Research Laboratories – Certified Antimicrobial
    King $2,650
    Compare at $4,899
    Online availability icon In-Stock Only 3 left!
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  • SERTA® iComfort® PRO 14.5" Plush Euro Top Latex Mattress - King SERTA® iComfort® PRO 14.5" Plush Euro Top Latex Mattress - King brand icon
    • CoolFeel™ Pro System
    • 5 ZoneResponse™ Design
    • 2X Graphite-Infused True Response™ Latex Foam
    • 2X True Response™ Latex Foam
    • Derived from 100% Natural Latex
    • 100% Canada Assembled
    King $3,899
    Compare at $6,199
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  • SERTA® iComfort® PRO 12.5" Plush Latex Mattress - King SERTA® iComfort® PRO 12.5" Plush Latex Mattress - King brand icon
    • CoolFeel™ Pro System
    • 5 ZoneResponse™ Design
    • Graphite-Infused True Response™ Latex Foam
    • True Response™ Latex Foam Core
    • Derived from 100% Natural Latex
    • 100% Canada Assembled
    King $6,999
    Compare at $10,299
    Online availability icon In-Stock Only 2 left!
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  • SERTA® iComfort® PRO 12.5" Firm Latex Mattress - King SERTA® iComfort® PRO 12.5" Firm Latex Mattress - King brand icon
    • CoolFeel™ Pro System
    • 5 ZoneResponse™ Design
    • Graphite-Infused True Response™ Latex Foam
    • True Response™ Latex Foam Core
    • Derived from 100% Natural Latex
    • 100% Canada Assembled
    King $6,999
    Compare at $10,299
    Online availability icon In-Stock Only 1 left!
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  • OPEN BAG - NM 10″ Firm Memory Foam Mattress - King OPEN BAG - NM 10″ Firm Memory Foam Mattress - King brand icon
    • Optimal High Resilient Bio-Foam Core
    • Visco Memory Foam
    • Pressure Relieving Comfort Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    King $484
    Compare at $1,599
    Online availability icon In-Stock Only 6 left!
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12 Items

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