Arctus King Size Mattress in a Box 12" Cooling Gel Memory Foam Mattress Medium Firm, Removable Cover
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Arctus King Size Mattress in a Box 12" Cooling Gel Memory Foam Mattress Medium Firm, Removable Cover

|11 ratings
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Bed SizeKing
Mattress Thickness12 in
Mattress Comfort LevelMedium

Key item features

  • Our premium layer draws heat away from your body, maintaining an optimal sleeping temperature throughout the night. No more tossing and turning from overheating.
  • Features a soft-to-the-touch, breathable fabric cover with a convenient zipper. Easily zip it off for quick machine washing to keep your bed fresh. The non-slip bottom ensures the mattress stays perfectly in place.
  • Rest easy knowing your mattress meets the highest international standards for safety, durability, and emissions. Safe for toddlers, kids, and adults.
  • Using state-of-the-art compression technology, we deliver premium comfort straight to your door in one compact box. Simply unbox, unroll, and watch it expand to its luxurious shape.

Specs

Bed size, KingMattress comfort level, MediumMattress type, Memory Foam MattressesMattress thickness, 12 inBrand, ArctusMaterial, Memory Foam, Gel Memory Foam

About this item

Product details

Upgrade your sleep experience with the Arctus King Size Gel Infused Memory Foam Mattress Medium Firm Version—designed for cooling comfort, balanced support, and easy maintenance. Crafted with plush firmness that feels luxuriously soft yet supportive, it combines premium materials and thoughtful design for a healthier, more restful night's sleep.
Ideal for side sleepers, light sleepers, and couples, it conforms to your neck, shoulders, and hips to relieve pressure and reduce morning soreness. High-density memory foam minimizes motion transfer, so you won't be disturbed when your partner moves throughout the night.
Product Specifications
Brand: Arctus
Firmness: Medium Firm
Bed Size: King Mattress
Thickness: 12 inch
Certifications: CertiPUR-US® & OEKO-TEX® Certified
Warranty: 10-Year Limited Warranty
Shipping: Compressed & Shipped in a Box

Note: Please allow 48-72 hours for the mattress to fully expand to its original shape after opening. Enjoy your premium sleep journey with Arctus!

Key Highlights of Arctus Mattress:

  • Our premium layer draws heat away from your body, maintaining an optimal sleeping temperature throughout the night. No more tossing and turning from overheating.
  • Features a soft-to-the-touch, breathable fabric cover with a convenient zipper. Easily zip it off for quick machine washing to keep your bed fresh. The non-slip bottom ensures the mattress stays perfectly in place.
  • Rest easy knowing your mattress meets the highest international standards for safety, durability, and emissions. Safe for toddlers, kids, and adults.
  • Using state-of-the-art compression technology, we deliver premium comfort straight to your door in one compact box. Simply unbox, unroll, and watch it expand to its luxurious shape.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Bed size

King

Mattress comfort level

Medium

Mattress type

Memory Foam Mattresses

Mattress thickness

12 in

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

5 out of 5 stars
stars
11 ratings6 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars100% (11)
  2. 4 stars0% (0)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 6 reviews

Aug 31, 2026
Reviewer name: Mark
Item details
Bed size: California King
Mattress thickness: 12 in
Mattress comfort level: Medium
Sold and shipped byArctus
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Probably the best mattress I've ever slept on.

This is a firm mattress, but absolutely the most comfortable I've ever slept on! I can absolutely recommend this mattress! The included cover is excellent quality. We will NEVER go back to a regular mattress with springs. My wife had back surgery, and we are now searching for the right mattress for her.

Helpful?6WIRL0LL67VM20642950192
Jul 24, 2026
Reviewer name: Dawnelle
Top Reviewer
Item details
Bed size: Twin-XL
Mattress thickness: 8 in
Mattress comfort level: Medium
Sold and shipped byArctus
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Best value online or in store!

Absolutely comfortable mattress ever. Gel memory foam so you sink in and feel like nothing is around you. Even in my side it feels like I'm lying in nothing. And when I get up, it plumps up instantly. Best deal I found online or in store. Great buy!

Incentivized Review
Helpful?6WIRL0LL67VM20642950192
Jul 23, 2026
Reviewer name: anonymous
Item details
Bed size: Twin
Mattress thickness: 6 in
Mattress comfort level: Medium
Sold and shipped byArctus
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great twin mattress.

Mattress was in a box this made it easy to carry. Once aired out it was the perfect size for the bed. Recommend letting it air fluff for 8 hours to regain its fullness. It is perfect for my childs bed.

Incentivized Review
Helpful?6WIRL0LL67VM20642950192
Current price is Now $359.99
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was $481.00
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4.556741028128031 out of 5 stars
4.6 stars out of 5, based on 1040 seller reviews(4.6)
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