Double/Full Copper, Charcoal or Graphite Infusion All
Double/Full mattresses measure 54" × 75" — fifteen inches wider than a twin, giving a single sleeper plenty of room to spread out. They suit teens, single adults, and smaller bedrooms or guest rooms, and work for couples who prefer a cozier fit. Compare every double/full option below by brand, feel, and price.
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.
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.

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Upgrade your sleep at National Mattress
Discover a mattress that transforms your sleep into a truly rejuvenating experience. We offer a wide variety of options to suit every sleep style and preference, ensuring a better night's sleep.
Why Choose Us?
- Variety: From plush to firm, we have options for every body type and sleep style.
- Quality: Trusted brands and top-notch materials for long-lasting comfort.
- Sleep Trials & Warranties: Enjoy peace of mind with flexible trials and warranties.
- Expert Advice: Get personalized recommendations from our sleep specialists.
Mattress Selection Includes
- Memory Foam: Contours to your body for personalized comfort and pressure relief.
- Hybrid: Combines responsive springs with foam for balanced support and comfort.
- Innerspring: Provides firm support, bounce, and cooling airflow.
- Latex: Hypoallergenic, eco-friendly, and exceptionally comfortable.
- Adjustable Beds: Customize your sleep position for optimal comfort.

Clearance Mattresses
Explore our discounted mattress collection, featuring limited quantities, floor models, and more.
Filters
- Single/Twin 38" x 75". One sleeper, kids and guests. 28
- Twin XL 38" x 80". Twin width, 5" longer. 54
- Double/Full 54" x 75". Room to stretch for one sleeper. 45
- Queen 60" x 80". Most popular for couples. 53
- Queen Split Head 60" x 80". Head splits for adjustable bases. 3
- King 76" x 80". Couples who want extra room. 56
- King Split Head 76" x 80". Head splits for adjustable bases. 3
- Memory Foam Slow foam that hugs and eases pressure. 130
- Gel-Infused Memory Foam Contouring foam with cooling gel added. 89
- Gel-Infused Foam Responsive foam with gel for a cooler feel. 113
- Latex Bouncy, breathable layers with quick lift. 28
- Micro-Coils Tiny coils in the top layers for bounce. 31
- Copper, Charcoal or Graphite Infusion Added to foam to help draw heat away. 45
- Plant-Based Foam Foam made partly from plant oils. 51
- Natural and Plant Fibres (Cotton, Wool, Tencel, Bamboo) Breathable layers that wick away moisture. 66
- Cooling Fabric Cover knit to feel cool to the touch. 97
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- Compatible with Adjustable Bed Flexes with a base that lifts head and feet. 45
- Removable Cover Cover comes off for cleaning. 7
- Cooling Technology Draws heat away so you sleep cooler. 39
- Temperature Regulating Helps keep you from sleeping hot or cold. 39
- Breathable Lets air flow so heat does not build up. 34
- Low Motion Transfer You feel less of your partner's movement. 45
- Pressure Point Relief Eases pressure on hips and shoulders. 45
- Zoned Lumbar Support Extra support under the lower back. 29
- Edge Support Firm edges for sitting and more sleep area. 35
- Antimicrobial Fabrics Cover resists odour-causing bacteria. 7
- Sustainable Materials Made with renewable or recycled content. 13
- Eco-Friendly Manufacturing Made with a lower-impact process. 18
- Mattress In A Box Arrives rolled in a box. Easy to move in. 3
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