Medium Mattress In A Box All Mattresses

Medium mattresses balance cushioning and support — soft enough to relieve pressure, firm enough to keep your spine aligned. This medium-firm feel is the most universally comfortable choice, suiting combination sleepers, couples with different preferences, and most back and side sleepers. Compare every medium option below by brand and profile.
Mattress-in-a-box options are compressed, rolled, and shipped straight to your door for quick, easy setup — just unbox and let it expand, with the same comfort and support. Compare every mattress-in-a-box 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.

Medium Mattress In A Box All Mattresses
Loading recommendations...

Items

Express delivery icon

Items

  • NM 8" Medium Firm Euro-Top Foam Mattress NM 8" Medium Firm Euro-Top Foam Mattress brand icon
    • High Density Foam Core
    • High Resilience Comfort Foam
    • Soft Luxurious Cotton Cover
    • 5 Year Warranty
    • Made In Toronto, Canada
    Single/Twin $229
    Twin XL $288
    Double/Full $312
    Queen $338
    Compare at $699
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • NM 8" Medium Firm Memory Foam Mattress NM 8" Medium Firm Memory Foam Mattress brand icon
    • High Density Foam Core
    • Cool Gel Memory Foam
    • Hypoallergenic Bamboo Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin $289
    Double/Full $399
    Twin XL $399
    Queen $428
    Compare at $899
    King $640
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • NM 10" Medium Firm Euro Top Mattress NM 10" Medium Firm Euro Top Mattress brand icon
    • 800 Hi-Loft Pocket Coil
    • Cool Gel infused memory foam
    • Luxurious Knit Fabric
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin $318
    Double/Full $325
    Queen $347
    Compare at $699
    King SOLD OUT
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • SPRINGWALL® Comfort Pockets® 12" Medium Firm Euro-Top Mattress SPRINGWALL® Comfort Pockets® 12" Medium Firm Euro-Top Mattress brand icon
    • 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 $323
    Twin XL $419
    Double/Full $426
    Queen $511
    Compare at $1,099
    RV Short Queen SOLD OUT
    King $648
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • NM 12" Medium Firm Euro Top Mattress
    BEST IN CLASS BEST SELLING
    NM 12" Medium Firm Euro Top Mattress NM 12" Medium Firm Euro Top Mattress brand icon
    • 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 $411
    Twin XL $455
    Double/Full $462
    Queen $498
    Compare at $999
    King $698
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • SEALY® Cocoon™ 8" Medium Firm Memory Foam Mattress SEALY® Cocoon™ 8" Medium Firm Memory Foam Mattress brand icon
    • Premium Fabric Cover
    • Perfect Fit Memory Foam
    • Personalized Comfort Layer
    • Essential Support Foam
    • 10 Year Warranty
    Single/Twin SOLD OUT
    Twin XL $512
    Double/Full $576
    Queen $632
    Compare at $1,399
    King $814
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • EVERGREEN™ 12" Tight-Top Medium-Firm Organic Latex Mattress EVERGREEN™ 12" Tight-Top Medium-Firm Organic Latex Mattress brand icon
    • 1000 Hi-Loft Pocket Coil with Foam Encased Perimeter
    • Organic Latex Comfort Layer
    • Bio-Foam natural foam content support layers
    • Organic Cotton Quilt with Organic Latex and Organic Wool
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin SOLD OUT
    Twin XL $548
    Double/Full $556
    Queen SOLD OUT
    Compare at $1,199
    King SOLD OUT
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • NM 12″ Medium Firm Memory Foam Mattress NM 12″ Medium Firm Memory Foam Mattress brand icon
    • Optimal High Resilient Bio-Foam Core
    • Gel Infused Visco Memory Foam
    • Cotton Channel Quilted Cover
    • 10 Year Warranty
    • Made In Toronto, Canada
    Single/Twin $571
    Twin XL $629
    Double/Full $639
    Queen SOLD OUT
    Compare at $1,299
    King $967
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • EVERGREEN™ 12" Medium-Firm Organic Latex Foam Mattress EVERGREEN™ 12" Medium-Firm Organic Latex Foam Mattress 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
    Single/Twin $1,011
    Twin XL $1,027
    Double/Full $1,043
    Queen $1,167
    Compare at $2,099
    King $1,575
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • EVERGREEN 100% Certified Organic 10" Medium Firm Latex Mattress EVERGREEN 100% Certified Organic 10" Medium Firm Latex Mattress 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
    Single/Twin $1,384
    Twin XL $1,877
    Double/Full $1,906
    Queen $1,935
    Compare at $3,599
    King $2,650
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • NM 8" Medium Firm Euro-Top Foam Mattress - Single/Twin NM 8" Medium Firm Euro-Top Foam Mattress - Single/Twin brand icon
    • High Density Foam Core
    • High Resilience Comfort Foam
    • Soft Luxurious Cotton Cover
    • 5 Year Warranty
    • Made In Toronto, Canada
    Single/Twin $229
    Compare at $499
    Online availability icon In-Stock Only 4 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to
  • NM 8" Medium Firm Euro-Top Foam Mattress - Twin XL NM 8" Medium Firm Euro-Top Foam Mattress - Twin XL brand icon
    • High Density Foam Core
    • High Resilience Comfort Foam
    • Soft Luxurious Cotton Cover
    • 5 Year Warranty
    • Made In Toronto, Canada
    Twin XL $288
    Compare at $599
    Online availability icon In-Stock
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jun 5
    Pickup available icon Only Pickup available to

Items 1-12 of 60

Showing of products

Loading recommendations...