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Memory Foam Mattresses

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King Memory Foam Mattresses

King Size Memory Foam Mattresses with Free Delivery in Canada

A King Size Memory Foam Mattress is 16 inches wider than a queen size and 5 inches longer than a full size. It measures 76 inches wide by 80 inches long (194 cm by 204 cm). The surface area of the king mattress is 6080 square inches. Providing about 38 inches of personal space for each partner, this size bed is perfect for large master bedrooms and couples who prefer their own space. With about the same personal space as a single person on a twin mattress, it's great for situations where you have kids popping in on weekend mornings or pets that share your bed. Consider the bulk size of a king bed, however, as it can sometimes prove difficult to fit into medium sized rooms or through doors or tight corners. It's a good idea to measure twice and buy once! Canadian customers looking for a smaller mattress can check out our queen size memory foam mattresses.

View our Mattress Buying Guide if you would like help choosing the right mattress for your sleeping style!

Sale Ends September 30!
King Memory Foam Mattresses - 8 Inch Eloquence II King Size Memory Foam Mattress

8 Inch Eloquence II King Size Memory Foam Mattress by Rest Therapy

    This Listing Includes:
  • King Memory Foam Mattress
  • 37% OFF!
  • Buy 1 Memory Foam Pillow, Get 2nd FREE!

$779.99

SALE $499.99

King Memory Foam Mattresses - 10 Inch Allure King Size Memory Foam Mattress

10 Inch Allure King Size Memory Foam Mattress by Rest Therapy

    This Listing Includes:
  • King Memory Foam Mattress
  • 21% OFF!
  • Buy 1 Memory Foam Pillow, Get 2nd FREE!

$879.99

SALE $699.99

King Memory Foam Mattresses - 12 Inch Biscayne Breeze King Size Gel Memory Foam Mattress

12 Inch Biscayne Breeze King Size Gel Memory Foam Mattress by Rest Therapy

    This Listing Includes:
  • King Gel Infused Memory Foam Mattress

$1,949.99

SALE $1,399.99

King Memory Foam Mattresses - 12 Inch Lake Breeze King Size Cool Gel Memory Foam Mattress

12 Inch Lake Breeze King Size Cool Gel Memory Foam Mattress

    This Listing Includes:
  • King Gel Memory Foam Mattress
  • 42% OFF!
  • Buy 1 Memory Foam Pillow, Get 2nd FREE!
  • Only 11 Left!

$1,999.99

SALE $1,149.99

King Memory Foam Mattresses for Comfort on a Grand Scale!

A king memory foam mattress is the largest mattress available on the market and perfect for a couple's everyday use or as the family bed. The extra space means you and your partner will have more than enough room to move around at night without bumping into one another. Your average king size mattress offers roughly 96 cm of sleeping space for both people. The extra energy absorption qualities of memory foam means you'll never have to worry about any nightly tossing waking your partner either.

Memory foam mattresses are great for everyone, regardless of your preference for firmness. By varying the thickness of the memory foam you can achieve wildly varying degrees of firmness or softness. The thinner 8 inch thickness will make for a harder bed, while the thicker 10 or 12 inch mattresses will be much softer.

Before you purchase a king memory foam mattress, it's important to make sure any new bed will fit in your bedroom. The larger the bed means you should double check before you purchase anything. Once you receive your new king mattress, you should remove the plastic packaging as soon as possible to ensure that the foam has time to return to it's original shape and to let the foam expand as much as possible.

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