Create more room to stretch out with a Canadian-made UltraFlex® King mattress. A standard King measures 76 × 80 inches, giving you 16 inches more width than a Queen while keeping the same standard length.
Compare foam, coil and latex mattress-only models in available King sizes. Review each model’s confirmed feel, mattress heights and King-option price, then check your frame, bedding and delivery route. Our team can help you compare models for a larger bedroom setup.
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Try another firmness, mattress type or thickness, or adjust your price range.
Ask us for help choosingA King provides extra width for a shared bed. Measure the full frame, not only the mattress, and check room access, bedside furniture and the support arrangement beneath the mattress.
Compare the mattress dimensions with your frame and the space for your complete bed.
Review the support requirements and any maximum mattress height stated by the frame manufacturer.
Choose your preferred firmness separately from mattress height. Check fitted-sheet depth and your total bed height.
Clear answers to help you compare your options.
A standard King mattress measures approximately 76 × 80 inches. These are nominal dimensions; check the measurements and any stated manufacturing tolerance on the selected product page before matching it to your frame.
No. Standard King and California King describe different dimensions. This page is for standard King options measuring approximately 76 × 80 inches. Check the dimensions of your frame and selected product before ordering.
Use a foundation or frame that matches the mattress dimensions and support requirements. King foundations can use separate sections, and the frame may require centre support. Check the selected mattress, foundation and frame instructions together.
Explore the currently available foam, pocket-coil hybrid, innerspring and latex models using the mattress-type filters. Classifications vary by model. Read the complete product construction before deciding which materials and support system you prefer.
Start with the feel you prefer, then compare each model’s confirmed firmness. Our mattress chooser matches size, budget, preferred firmness and mattress type. Models without a confirmed classification remain visible when no firmness filter is selected.
Thickness describes mattress height; firmness describes feel. A thicker mattress is not automatically firmer. The confirmed model firmness applies across its available thicknesses. Compare the stated feel and available heights separately.
The cards compare variants in King size. A starting price is the lowest-priced available matching option, or a matching sold-out option if none is available. A thickness or price filter can change the selected variant. Review the final variant, availability and price on the product page. Prices are in Canadian dollars before taxes.
Measure the inside of the frame and compare it with the selected mattress’s dimensions. Check the frame’s support requirements and maximum mattress height. Review your foundation and fitted sheets as well as the mattress itself. Ask our team if you need help checking a particular setup.
UltraFlex® mattresses in this range are made in Canada. Materials, construction and comfort layers vary by model. Read the selected product’s specifications or learn more about UltraFlex®.
This page compares mattress-only listings. A protector or foundation is included only in a listing that explicitly says so. Explore mattress protectors or box springs and foundations separately, and check their size and delivery coverage.
We offer free shipping across Canada for mattresses, subject to our shipping and delivery information. Delivery is to the door; inside delivery and carrying items upstairs are not included. Foundation delivery coverage can differ from mattress shipping.
Yes. Contact the UltraFlex® team with the model names, King size, preferred feel and budget. You can also use our mattress chooser or review the complete mattress size guide.
Explore mattresses made in Canada, with different constructions and comfort options. Get to know UltraFlex®.
Compare King mattress prices, confirmed comfort feels and available heights to suit your room and budget.
Have a question about two models or a particular size? Contact us for practical help comparing your options.
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