Arctus 8 inch Memory Foam Mattress, King Mattress in a Box, Medium Firm
Arctus 8 inch Memory Foam Mattress, King Mattress in a Box, Medium Firm
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Arctus 8 inch Memory Foam Mattress, King Mattress in a Box, Medium Firm

4.4 stars out of 970 reviews
(4.4)|
970 ratings

Key item features

  • Cooling Comfort: Features green tea gel memory foam for enhanced cooling and air circulation, ensuring a dry and comfortable sleep experience.
  • Certified Safety: CertiPUR-US certified foam and OEKO-TEX certified fabric ensure the mattress is safe for both adults and children.
  • Optimal Firmness: Provides medium firmness for balanced body support and a soft touch, promoting overall comfort.
  • Motion Isolation: Designed to reduce motion transfer, allowing for undisturbed sleep even with a partner.
  • Pressure Relief: Incorporates a flex support base for optimal pressure relief, aiding in body relaxation and stress reduction.
  • King Dimensions: Measures 80 inches long, 76 inches wide, and 8 inches high, specifically sized for King beds.
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Current price is Now $189.90
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was $350.00
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Columbus, 43215
Arrives by Sun, Mar 1
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Sold by ArctusPro Seller
Fulfilled by Walmart
4.477987421383648 stars out of 5, based on 795 seller reviews(4.5)
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Ships in the manufacturer's original packaging, which may reveal the contents.

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About this item

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Customer ratings & reviews

4.4 out of 5 stars
stars970 ratings253 reviews
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Reviews summary

Pros
  • : Offers great value at this cost.
  • : Provides excellent pressure relief and body shape adaptation.
  • : Provides restful night's sleep with minimal disturbance.
  • : Provides a balance of comfort and firmness.
  • : Made with certipur-us and oeko-tex certified foam and fabric.
  • : Provides relief and comfort for sufferers.
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Showing 1-3 of 253 reviews

Jun 17, 2025
Linda
Top Reviewer
Item details
Bed size: Twin
Mattress thickness: 8 in
Sold bySynthoSpaceDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Expansion was immediate. No waiting at all. If you want extra firm this is it folks. That's what I wanted. The only thing I would change is the covering. Even waterproof does not protect. But I found fabulous waterpad on Amazon to solve that problem. I do not want any expensive spring loaded mattress ever again.

Helpful?7J40TJIK4W3S7548024845
Nov 28, 2025
Beth
Item details
Bed size: Twin
Mattress thickness: 6 in
Sold byArctusDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Great mattress

I was a little skeptical at first when we took it out of the box. It took a few hours to fully form and seemed like it would be too short to fit in a bunkbed by several inches, but it eventually fit perfectly. Our toddler really likes it and it's a great product. Would recommend this mattress 10/10.

Helpful?7J40TJIK4W3S7548024845
Dec 1, 2025
flyingeagle822
Item details
Bed size: Twin
Mattress thickness: 8 in
Sold byArctusDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Comfortable to Make You Want to Sleep In

I purchased these for the grandkids ages 4 and 5. They slept so well on these beds. It was finally nice for the to sleep in on the weekend until 7/8am, instead of getting up at 5am. LOL! They totally enjoyed their sleep. As an adult laying on the matress, I felt that it was comfortable and contours; with my weight (168), however, I'm thinking the matress would last about 2 years before I would need to buy a new one. For the kids, though, it will last much longer. For the price and comfort, It's great!

Helpful?7J40TJIK4W3S7548024845