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King Size Mattress 12 Inches, Medium Firm Hybrid, Undisturbed Sleep

Based on 48 reviews
Condition: New
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$219.99

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Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, Nov 17
Order within 5 hours and 23 minutes

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At a glance

Condition
New
Color
Cool Gray
Size
King
Model
12K
Dimensions
80 x 76 x 12 in
Material
Memory Foam
Top Style
Euro Top
In the box
mattress

Features 5

  • The hybrid mattress combines advanced comfort materials with a thoughtfully layered design. Four foam layers work together to provide balanced comfort and support. Gel memory foam and responsive comfort foam gently contour to your body while helping relieve pressure points. As your body settles into the mattress, the deeper support layers gradually increase in firmness, creating a comfortable blend of cushioning and support for a more restful night's sleep.
  • Enhanced Breathability for a Cooler Sleep. Designed to promote continuous airflow, this mattress features a soft, breathable knit cover that helps release heat and moisture, keeping your sleep surface fresh and comfortable. Inside, ventilated comfort foams and an egg-crate airflow layer create channels for better air circulation throughout the mattress. Together, these cooling materials help reduce heat buildup and maintain a cooler, drier sleep environment night after night.
  • Enhanced Lumbar Support & Spinal Alignment. Built with responsive comfort materials, reinforced pocket coils, and targeted lumbar foam, this hybrid mattress delivers extra support where your body needs it most. The supportive design helps reduce excessive sinkage around the hips and lower back, promoting healthier spinal alignment throughout the night. By evenly distributing body weight and relieving pressure points, it helps create a more comfortable sleep experience and wake-up feeling.
  • Sleep Soundly Without Disruptions. Independent pocket coils help absorb movement before it travels across the mattress, so you can rest undisturbed even when your partner moves. Reinforced edge support creates a more stable sleep surface, helping you enjoy reliable comfort from edge to edge.

Description

A great mattress should not make you choose between softness and stability. Our hybrid design combines cushioning foam layers with individually wrapped pocket coils, creating a balanced feel that helps cradle the body while maintaining steady support underneath. The result is comfort you can relax into, without feeling stuck or unsupported.

Specs 35

Brand Sektfw
Size King
Product Dimensions 80"L x 76"W x 12"Th
Item Firmness Description Medium Firm
Top Style Euro Top
Cover Material Nylon
Number of Layers 4
Fill Material Memory Foam

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 17

Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


I loved
Color: Cool Gray Size: Queen
I’m very happy with this mattress! It arrived securely packaged and was in perfect condition when I opened it. It expanded nicely and fit perfectly on my bed frame. The mattress is comfortable, supportive, and feels great to sleep on. The quality is excellent for the price, and I love how comfortable it is. Highly recommend! ... show more
Reviewed in the United States on August 17, 2026 by Amanda jimenez

Exceeded expectations
Color: Cool Gray Size: Queen
This queen mattress exceeded my expectations! It is the perfect balance of soft and supportive, and I have been sleeping so much better since getting it. It was easy to set up, expanded quickly, and has held its shape well. Great quality for the price. I would definitely recommend it to anyone looking for a comfortable and affordable mattress. ... show more
Reviewed in the United States on August 2, 2026 by SincerelySati

Very comfortable and easy to set up
Color: Cool Gray Size: Queen
Great quality mattress. Very comfortable. Inflated very quickly. Very comfortable and firm, but not too firm, just perfect. Definitely recommend to buy because of the convenience
Reviewed in the United States on August 16, 2026 by Ishaan Virani

Comfortable and affordable
Color: Cool Gray Size: Queen
Great mattress….really surprised me for the price paid!
Reviewed in the United States on August 17, 2026 by Marlene Espinal

Comfortable and supportive
Color: Cool Gray Size: Queen
I’m really happy with it. It has a nice medium-firm feel that provides good support without feeling too hard. The hybrid design gives a great balance of cushioning and support, and I wake up without the usual back stiffness
Reviewed in the United States on August 2, 2026 by A Mohamed

Amazing size
Color: Cool Gray Size: Queen
I'm really happy with this mattress and the overall quality.The medium-firm feel provides excellent comfort and support.It feels well-made, sturdy, and comfortable for everyday use.The motion isolation is great and helps reduce movement at night.It also feels breathable and doesn't get uncomfortably warm.Overall, a great mattress for the price.. ... show more
Reviewed in the United States on August 8, 2026 by Wajahat Waheed

Good quality
Color: Cool Gray Size: Queen
Very comfortable and supportive! The medium-firm feel is just right, and it’s great for a restful night’s sleep. Good quality for the price.
Reviewed in the United States on August 14, 2026 by Im M

Great quality
Color: Cool Gray Size: Queen
Love it , very comfortable
Reviewed in the United States on August 12, 2026 by Cliente Amazon
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