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5 Best Mattresses King Sizes of 2025

Last Updated - 2025/04/30

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BedStory

BedStory King Mattress 12 Inch, Medium Firm Hybrid King Size Mattress in a Box, Matelas King Hybrid, Pocket Coils Spring & Gel Memory Foam Bed Mattress King Size, Pressure Relief

BedStory

CA$569.99

More Details
Main highlights
- Superior Support and Comfort: Experience unmatched support and comfort with BedStory king pocket spring mattress. The individually wrapped coils provide targeted support to different parts of your body, while the memory foam ensures exceptional comfort. Wake up feeling refreshed and rejuvenated.
- RISK-FREE PURCHASE: We are a professional manufacturer with over 30 years of experience in bedroom products. We provide 100% satisfaction after-sales service, if there is anything wrong with your order, just feel free to contact us, we will make every effort to solve your problem.
- Motion Isolation: Enjoy uninterrupted sleep, even if your partner moves around. The pocket spring design isolates motion, ensuring a disturbance-free night's sleep.
- Effective Pain Relief: BedStory 12 inch king hybrid mattress is designed to alleviate common pain points. The memory foam helps relieve pressure on your shoulders, hips, and lower back, reducing discomfort and promoting better spinal alignment. Say goodbye to morning aches and pains.
- Convenient Mattress in a Box: We value convenience. BedStory medium firm mattress is compressed and delivered in a compact box, making it easy to transport and set up. Simply unbox, unroll, and let it expand to its original size within 24 hours. No more hassle with bulky mattress deliveries.
CA$569.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BedStory

BedStory King Mattress 12-Inch, Hybrid Medium Firm Mattresses in a Box, King Size Matelas Pressure Relief, Individual Pocket Spring-Motion Isolation-Edge Support, Gel Memory Foam, CertiPUR-US

BedStory

CA$539.99

More Details
Main highlights
- Use with Confidence: The 12 inch bed firm mattress arrives in a box, simply set it up, cut the protective wrap, unroll, and wait for the mattress king to expand; please wait 48 hours at least before relaxing on the firm king mattress
- No Concern Sleep: The king size mattress 12 inch in a box features CertiPUR-US-certified memory foam without fiberglass; it means the BedStory foam mattress king size is suitable for all your families for peace of mind and to ensure a peaceful sleep for your families
- Independently Pocket Spring firm mattress: Individually wrapped coils are encased in separate pockets and move independently, providing consistent support distribution throughout the BedStory king mattress 12 inch; so you won't be disturbed by the movements of your partner
- Independently Pocket Spring firm mattress: Individually wrapped coils are encased in separate pockets and move independently, providing consistent support distribution throughout the BedStory king mattress 12 inch; so you won't be disturbed by the movements of your partner
- High Breathability King Mattress: Gel-infused ventilated memory foam creates a soft and comfortable sleeping surface for a more restful night's sleep, and egg crate foam improves the breathability of the hybrid mattress king size 12 inch, creating a dry, breathable, and quiet sleep
CA$539.99
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Zinus

Zinus King Mattress - 10 Inch Green Tea Cooling Gel Memory Foam Mattress, Pressure Relief, for Cool Sleep, CertiPUR-US Certified Foam, Mattress in a Box, 10-Year Warranty, King Size

Zinus

CA$345.00

More Details
Main highlights
- WORRY-FREE WARRANTY – A 10-year limited warranty is included with the mattress; please allow 24–72 hours for your mattress to expand to its original shape
- REJUVENATING SUPPORT – Pressure-relieving memory foam conforms to the shape of your body to enhance circulation and decrease stress on your joints, and is infused with cooling gel for ultimate temperature regulation
- COOLER SLEEP AND A CLEANER PLANET – Topped with soothing gel memory foam, this mattress is designed to help keep you cool and comfortable throughout the night, and ships in a new smaller box to support a reduced carbon footprint
- CERTIFIED SAFE MATERIALS – Crafted from high-quality CertiPUR-US certified foam and wrapped with an OEKO-TEX certified mattress cover all produced without the use of harmful chemicals for safer, healthier sleep
- ALL NIGHT FRESHNESS - The all-natural green tea and purified charcoal infusions work together to help keep your mattress fresh for many nights to come
CA$345.00
4
Best Value
30% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Naiveer
30% Off

Naiveer King Mattress 12 Inch, Memory Foam Mattress with Innerspring, CertiPUR-US Certified King Size in A Box, Hybrid King Size Medium Firm for Back Pain & Pressure Relieve

Naiveer

CA$319.99

CA$459.99
(30% Off)

More Details
Main highlights
- Outer Cover (Top & Border): 100% Polyester Outer Cover (Bottom): 100% Polyester Filling: 70% Pocket Spring, 30% Polyurethane Foam
- Medium Firm & Enhanced Edge Support: The medium-firm mattress king size reduces pressure on your spine and eliminates physical fatigue and pain. Dual rows of specially reinforced coils along the edge with four strengthened edges can avoid the sinking of the edge of the bed due to insufficient support. Ergonomically designed and suitable for all body types and sleep styles.
- Mattress In A Box: The matelas king is rolled and compressed in a box for shipping. Set up easy and fun, unseal the mattress, and let it inflate for about 72 hours to enable full expansion. They fit all frames, such as box spring, floor, slatted base, flat platform. Tips: twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs.(Size 80*76*12 Inch)
- Hybrid Innerspring Mattress: The 12 inch king size features multiple layers of premium foam, memory foam, and innerspring. High-density foam ensures your weight is evenly absorbed and distributed throughout the mattress from head to toe. The self-contained pocket spring mattress provides well-balanced support, minimizes motion transfer from your partner, and provides a restful sleep all night.
- Customer Support: Backed by a 10-year support, you can sleep on Naiveer hybrid innerspring mattress with confidence. We are committed to providing you with the best products and services. If you have any questions about this mattress, please feel free to let us know. We will reply within 24 hours and provide a satisfactory solution.
- COMPLIANCE STATEMENT: This mattress complies with SOR/2016-183 (Mattresses Regulations) and the Textile Labeling and Advertising Regulations (C.R.C., c. 1551).
- Buy With Confidence: The Naiveer king mattress with a breathable anti-pilling 320g knitted fabric cover, features a premium plush top cover, keeping you cool and comfortable for the whole night. Certified by CertiPUR-US, ISPA, and Oeko-Tex Standard 100, free of harmful substances such as formaldehyde, mercury, and other heavy metals. More suitable for families with babies, the elderly, or newly renovated homes.
CA$319.99
CA$459.99 (30% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Selene Bedding

Selene Bedding King Size Mattress, 12 Inch Mattress King with Pocket Spring and Memory Foam for Pressure Relief, Motion Isolation, Edge Support, Medium Firm Mattress in a Box, CertiPUR-US, White

Selene Bedding

CA$329.87

More Details
Main highlights
- Smart Mattress in a Box: Our mattress king is smartly packed so it can be transported to your room easily, simply unbox, unroll and safe to sleep on. Please wait 48-72 hours to fully expand and any potential odor to dissipate. Our hybrid mattress is suitable for most bed frames, such as traditional platform bed, foundations, box springs and bunk bed, please feel free to contact us at any time for support when you needed.
- Sleep Innovation: Selene hybrid mattress king is a sleep innovation. Five inches of heavy gauge steel coils provide a reliable base and strong support while the knitted fabric cover and soft egg-shaped wave foam ensure comfort, you won't feel the springs. The thicker coils at the edge provide strong edge support, no worry about falling.
- Safe & Harmless: Our king bed mattress is made of CertiPUR-US certified foam and no harmful substance. The premium stretch knit fabric is anti-pilling, skin-friendly, and durable. You and your family can sleep with confidence on this king mattress.
- Quiet Sleep: You and your partner can enjoy a quiet sleep because Selene king size mattress 10 inch adopts individually wrapped coils which can effectively reduce noise and prevent shaking, keeps motion isolation and you don't need to worry about disturbing each other.
- Perfect Firmness: This medium firm mattress designed to offer superior comfort and support. Thousands of pocket spring coils support your body from head to toes, provide a balanced combination of firmness and cushioning, ensures spinal alignment and pressure relief, you can let go of your day's fatigue on this king size mattress.
CA$329.87

5 Best Mattresses King Sizes of 2025

BedStory King Mattress 12 Inch, Medium Firm Hybrid King Size Mattress in a Box, Matelas King Hybrid, Pocket Coils Spring & Gel Memory Foam Bed Mattress King Size, Pressure Relief

BedStory King Mattress 12-Inch, Hybrid Medium Firm Mattresses in a Box, King Size Matelas Pressure Relief, Individual Pocket Spring-Motion Isolation-Edge Support, Gel Memory Foam, CertiPUR-US

Zinus King Mattress - 10 Inch Green Tea Cooling Gel Memory Foam Mattress, Pressure Relief, for Cool Sleep, CertiPUR-US Certified Foam, Mattress in a Box, 10-Year Warranty, King Size

Naiveer King Mattress 12 Inch, Memory Foam Mattress with Innerspring, CertiPUR-US Certified King Size in A Box, Hybrid King Size Medium Firm for Back Pain & Pressure Relieve

Selene Bedding King Size Mattress, 12 Inch Mattress King with Pocket Spring and Memory Foam for Pressure Relief, Motion Isolation, Edge Support, Medium Firm Mattress in a Box, CertiPUR-US, White

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