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NM HD 6" Extra-Firm High Density Foam Mattress

Meet NM® HD+™ Core—mattresses built around high‑density foam for durable support, low motion transfer for quieter nights, zoned lumbar for alignment, and reinforced edges for full‑width comfort. Available in firm, medium, and plush feels across Twin, Twin XL, Full/Double, Queen, and King.

Top Features

– High Density Foam Core

– High Density Foam Comfort Layer

– Cotton Support Quilt

– 5 Year Warranty

– Made In Canada

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NM HD 6" Extra-Firm High Density Foam Mattress
Style Traditional, Foam Core/No Coils
Firmness Extra Firm
Coil Type N/A
Core Type Extra Firm High Density Foam Core
Core Density 1.8 lb/ft³
Height 6 Inches
Collection NM® HD+™ Core
Model High Density Classic 6" - Extra Firm -
Warranty 5 Year Warranty
Condition Brand new, manufacturer sealed.
Comfort Scale
  • Soft
  • Medium
  • Firm
  • Extra Firm
Comfort IQ™: This mattress is slightly softer compared to other extra-firm mattresses. (9/10)
Recommended For: Back Sleepers

NM HD 6" Extra-Firm High-Density Foam Mattress - Your Ultimate Sleep Solution for Unwavering Support

If you're seeking a sturdy yet comfortable sleeping experience, look no further than the NM HD 6" Extra-Firm High-Density Foam Mattress. Engineered with quality craftsmanship, this mattress prioritizes your comfort with its durable high-density foam core that resists sagging over time. Gently cradling your body while offering robust support, it guarantees proper spinal alignment, making it the ideal choice for back and stomach sleepers.

Key Features

  • High-Density Foam Core: Constructed to endure, this mattress maintains its shape over years of sleep, ensuring durability and comfort with every use.
  • Cotton Quilted Cover: With its breathable cotton design, this cover promotes airflow to create a refreshing sleep environment, keeping you cool and comfortable throughout the night.
  • Compact 6" Height: This mattress is the perfect fit for bunk beds, trundles, RVs, or cozy apartments, providing maximum comfort without taking up valuable space.
  • Canadian-Made Quality: Designed and crafted in Canada, this mattress adheres to stringent quality regulations, assuring you of a safe and comfortable product.
  • Edge Guard: This innovative feature gives enhanced edge-to-edge support, preserving mattress integrity and preventing sagging at the borders.
  • CertiPUR-US Certified Foams: Enjoy peace of mind knowing that our foams are made without harmful chemicals, making this mattress a safe choice for your home.
  • 5-Year Limited Warranty: Confidence in our craftsmanship is reflected in our comprehensive warranty, underscoring this mattress's long-lasting quality.

Benefits

  • Extra-Firm Comfort (9/10): This mattress guarantees optimal spine alignment, effectively minimizing motion transfer for an uninterrupted sleep experience every night.
  • High-Density Support: Enjoy robust all-around support, ensuring you fully benefit from your mattress's surface without compromising comfort.
  • Cotton Quilted Surface: This cover's breathability enhances moisture control, fostering a cozy sleeping atmosphere that keeps you relaxed.
  • Trusted Canadian Craftsmanship: Revel in the comfort of a product crafted under strict quality standards, ensuring reliability and satisfaction.
  • Variety of Size Choices: Available in numerous sizes such as Twin, Twin XL, Full, Queen, and King, there's a perfect size for everyone's needs.
  • Support Layers: Experience thoughtful center and lumbar support, offering comfort tailored to your body's requirements.

Ideal For

  • Back and Stomach Sleepers: Its firm support ensures correct spinal alignment for a healthier sleep posture.
  • Active Kids: Provides essential support for growing bodies, promoting restful and restorative sleep.
  • Adventurous RV Owners: Its compact design suits tight living quarters, ensuring comfortable travels.
  • Students: A perfect fit for dorm rooms or small spaces, combining function and comfort seamlessly.

Details

  • Dimensions: Twin - 39″ x 75″ (99cm x 190.5cm), Twin XL - 38″ x 80″ (96.5cm x 203cm), Full - 54″ x 75″ (137cm x 190.5cm), Queen - 60″ x 80″ (152.5cm x 203cm), King - 76″ x 80″ (193cm x 203cm).
  • Profile Height: 6 Inches
  • Firmness: Extra Firm
  • Warranty: 5-Year Limited Warranty
  • Guarantees: Free next day delivery, 100 night sleep trial, and a price match guarantee.

The NM HD 6" Extra-Firm High-Density Foam Mattress combines uncompromised support with exceptional comfort, making it the smart choice for anyone looking to enhance their sleep. Meticulously designed for various lifestyles, this mattress ensures you wake up feeling refreshed, ready to tackle whatever the day throws your way. Experience the joy of restorative sleep each night; your body will thank you!

More Information
Mattress Type

Traditional, Foam Core/No Coils

Features

Low Motion Transfer, Edge Support, Compatible with Adjustable Bed Base, Mattress In A Box

Trending & Offers

Best Selling, Most Popular, On Sale

Firmness

Extra Firm

Core Type

Extra Firm High Density Foam Core

Core Density 1.8 lb/ft³
Manufacturer NM
Price Range Great Value
Model High Density Classic 6" - Extra Firm -
Collection NM® HD+™ Core
Condition Brand new, manufacturer sealed.
Warranty 5 Year Warranty
Sleep Position Back Sleepers
Cover Material Cotton Blend
Colour Grey
Quilt Dual Sided Cotton Support Quilt
Comfort Layers 2" HD+™ High Density Foam X2
Support Layers Center & Lumbar Support
Mattress Core Extra Firm High Density Foam Core
Mattress Height in Inches 6.00 Inches
Additional Features Edge Guard
Certifications CertiPUR-US® certified foams.
Compatible With Adjustable Beds No
Vented No
Removable Cover No
Handles No
Care Instruction Spot clean. Mattress protector recommended.
Country of Origin Canada
Single/Twin Size Dimensions 38" x 75" (inches) - 96.5cm x 190.5cm (centimeters)
Single/Twin XL Size Dimensions 38" x 80" (inches) - 96.5cm x 203.2cm (centimeters)
Double/Full Size Dimensions 54" x 75" (inches) - 137.2cm x 190.5cm (centimeters)
Queen Size Dimensions 60" x 80" (inches) - 152.4cm x 203.2cm (centimeters)
King Size Dimensions 76" x 80" (inches) - 193cm x 203.2cm (centimeters)
Custom Sizes Available No
Product Weight (lb) 10.000000
Product Category Mattress
Product Type Mattress - Foam Core
Product Sub Type Traditional - Tight-Top

For more information please contact National Mattress Outlet Plus+.

This mattress is available to ship to all provinces in Canada via courier. The estimated delivery time is between 3-7 business days from the time the order is placed on all items in stock.

Once the mattress has shipped you will receive an email with a tracking number from the courier with an estimated delivery date. This mattress is roll-packed and compressed for easy delivery and handling.

**PLEASE NOTE THAT EXTRA DELIVERY CHARGES WILL APPLY TO YUKON, NUNAVUT, AND NORTHWEST TERRITORIES. Please call for estimated delivery rates to Northern Canada including Yukon, Northwest Territories, and Nunavut.

*Rural areas 150km or further from urban centers, please allow an additional 1-2 days of transit time.

Once an order is placed, a member from our online orders department will process your order within 24 hours. An email with a tracking number will be sent to you from the courier once the mattress has shipped. Please place any special instructions in the comments section of the checkout page. If you have any questions regarding your order please call our toll-free number: 1-800-631-4883. Thank you for choosing National Mattress Outlet Plus +.

 
Customer Questions
What is the weight of the mattress twin?
The NM High Density Classic 6" Foam Mattress in the Twin size measures 39 inches by 75 inches. While the exact weight isn't specified on the manufacturer's website, similar high-density foam twin mattresses typically weigh between 20 to 30 pounds. Given...
Hello there, I just got this mattress today and wondering if I need to allow time for the mattress to take its full form (density) before using? Thanks
Allowing the mattress to expand within 6-8 hours is recommended.  You may also notice that the mattress will stiffen as the foam fully expands and settles within 24-72 hours.
How heavy is this mattress?
The NM High Density Classic 6" Foam Mattress is available in various sizes, each with a different weight. While the manufacturer does not specify the exact weight for each size, foam mattresses of this thickness typically weigh between 20 to 70 pounds...
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