Avenco Original 12" Medium-Firm Gel Memory Foam Hybrid Mattress,King Size
Avenco Original 12" Medium-Firm Gel Memory Foam Hybrid Mattress,King Size
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Avenco Original 12" Medium-Firm Gel Memory Foam Hybrid Mattress,King Size

Avenco Original 12" Medium-Firm Gel Memory Foam Hybrid Mattress,King SizeKing Size Mattress Avenco King Mattress Firm 12 inch Hybrid King Mattress in a Box Innerspring and Gel Memory Foam Gray Pillow TopAvenco Original 10 Medium Firm Innerspring and Gel Memory Foam Hybrid Mattress King SizeAvenco Original 12 Medium Firm Innerspring and Gel Memory Foam Hybrid Mattress Full SizeAvenco Original 10 inch Adult Innerspring and Gel Memory Foam Hybrid Mattress Twin SizeAvenco Original 12 Medium Firm Innerspring and Gel Memory Foam Hybrid Mattress Queen SizeAvenco Original 10 Medium Firm Innerspring and Gel Memory Foam Hybrid Mattress Full SizeAvenco Original 10 inch Adult Innerspring and Gel Memory Foam Hybrid Mattress Queen Size
Bed Size:King
Actual Color:Gray
Mattress Thickness:12 in

Key item features

  • Motion Isolation: Parallel pocket coils in this four-layer king size mattress prevent sleep disturbance from a partner, promoting quiet and comfortable rest.
  • Adaptive Support: Premium memory foam and high-density foam conform to the body's natural curve, providing support for all sleeping positions and maintaining spinal health.
  • Cooling Comfort: Gel-infused open-cell memory foam regulates body temperature, ensuring excellent breathability and a consistently cool sleeping environment.
  • Durable Construction: Advanced warp knitting technology enhances the abrasion resistance, wrapping, and breathability of the mattress side, offering high elasticity and rebound.
  • Convenient Delivery: This luxurious firm mattress is compressed and smartly delivered in a box for easy setup, with all foam being CertiPUR-US certified for safety.
  • Size Options: Available in Full, Queen, King, and California King sizes, requiring 24-72 hours to expand fully, with sizes subject to a 0.5-inch variation.
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Current price is Now $269.99
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was $346.99
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Sold by Sweet Night Technology Inc.
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4.2582897033158815 stars out of 5, based on 1147 seller reviews(4.3)
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About this item

Product details

Specifications

Warranty

Customer ratings & reviews

4.3 out of 5 stars
stars1,615 ratings634 reviews
How item rating is calculated
  1. 5 stars70% (1,133)
  2. 4 stars14% (227)
  3. 3 stars5% (74)
  4. 2 stars2% (37)
  5. 1 star9% (144)

Reviews summary

Pros

  • : Offers great value at this cost.
  • : Provides a sleeping surface with right support and softness.
  • : Provides a balanced firmness and softness for sleep.
  • : Setup process is simple with clear directions.
  • : Relieves lower back pain and discomfort during sleep.

Neutral

  • : Can be too soft for some, but also provides extra firmness for others.
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Showing 1-3 of 634 reviews

Dec 30, 2025
Amish
Item details
Bed size: King
Color: Gray
Mattress thickness: 12 in
Sold bySweet Night Technology Inc.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

Excellent Comfort and Support

This mattress is extremely comfortable with the perfect medium-firm feel. The gel memory foam helps keep it cool throughout the night. It provides great support without feeling too stiff or too soft. I wake up without back or shoulder pain since using it. Overall, it feels high quality and well worth the purchase.

Helpful?43Z4F6EMAB2S797974106
Nov 30, 2025
Veronica
Item details
Bed size: Queen
Color: Gray
Mattress thickness: 12 in
Sold bySweet Night Technology Inc.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

Highly recommend

This mattress is sooo nice! Step one, make sure it's the right side up lol. I could initially feel the springs and thought this is not going to be comfortable. Then realized it was upside down. When it's right side up, it's so comfortable! It takes a while to reach its full form, but I am able to lay on my back, get up and not have any back pain. I couldn't lay on my back without struggling to walk upright before my back pain went away with my other mattress. I was shocked!

Helpful?43Z4F6EMAB2S797974106
Jan 11, 2026
Kalyan
Walmart Associate
Item details
Bed size: King
Color: Gray
Mattress thickness: 12 in
Sold bySweet Night Technology Inc.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

Nice mattress!

Very comfortable mattress for my guest room. Economical from the price point also. Offers support for the back, and at the same time, is not wobbly. Will recommend it.

Helpful?43Z4F6EMAB2S797974106