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  1. Bed & Bath/
  2. Mattresses & Foundations/
  3. All mattresses/
  4. SKU: W100848602

Customer Reviews

4.6

Rated 4.6 out of 5 stars.

254 Reviews
191 5 star reviews5
191
38 4 star reviews4
38
9 3 star reviews3
9
9 2 star reviews2
9
7 1 star reviews1
7

Customers say

Customers consistently praise the product's comfort and value, describing it as soft yet supportive, with many noting its perfect balance of firmness. While most find the size accurate and appreciate the convenient packaging, some experienced slight variations in firmness from expectations.

AI-generated from customer reviews

Showing 1-10 of 254 reviews

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Rated 2 out of 5 stars.

NuonParkville, MD

Mattress Size:King,

Mattress Thickness:12"

Harder than expected. I don’t feel the memory foam at all. I purchased the 12 “ King.

05/10/2025

Rated 5 out of 5 stars.

Veronica

Mattress was affordable and comfortable. We did purchase a topper to extra support but other than that couldn’t pass up on this one when it went on sale for the low .

06/30/2025

Rated 5 out of 5 stars.

CorinnaSherman, TX

One of the most comfortable mattresses I have ever slept on

06/30/2025

Rated 4 out of 5 stars.

AnselmoDetroit, MI

I'm super delighted with the mattress. It's very high quality and super comfortable. I honestly give it a 10/10. It's the best mattress I've ever bought.

06/29/2025

Rated 5 out of 5 stars.

Anonymous

Wow!!!!!! I despise that I have been spending money on mattresses from chain stores when this gem was here! I haven’t slept better , my husband has all the back support he need…. And he has been sleeping so much better that he doesn’t snore as much!!!!!!!!

06/29/2025

Rated 4 out of 5 stars.

Anonymous

It’s nice but a little too firm for my liking. If you don’t mind to splurge then I would also get at least a 6 inch mattress topper to help support and add some give.

06/28/2025

Rated 5 out of 5 stars.

Frederick Dahlmeyer JrDurham , CT

I had purchased the mattress ( hybrid in a box ) for a bed upstairs ( circular ) in a loft , after setting it up and letting it fully condition I found it to be so comfortable and priced right that I bought a 2nd mattress for the downstairs bedroom . I had planned on replacing that mattress eventually but since I was so happy with the mattress I decided why delay the purchase and begin enjoying a good , comfortable nights sleep

06/15/2025

Rated 2 out of 5 stars.

DeniseBybee, TN

I don’t know if I just have to get used to it, but it kills my back.

06/13/2025

Rated 4 out of 5 stars.

MaryFt. Worth Tx

Mattress Size:King,

Mattress Thickness:12"

Very firm comfortable didn’t wake up with body aches.

06/05/2025

Rated 5 out of 5 stars.

Anonymous

Mattress Size:Queen,

Mattress Thickness:12"

This bed is so comfortable and the height is perfect

05/28/2025

Montsalas 8" /12"/14" Medium Cooling Memory Foam Hybrid Mattresses in a Box with Certipur-US Certified Pocket Spring, Pressure Relief, and Motion Isolation

ByAlwyn Home
$273.99 was$674.9859% Off

or

{MONTHLY_PAYMENT}$23/mo.{SUBTITLE_TEXT}over 12 mos.at 0% APR available {SUPERSCRIPT_THREE}at 0% APR available 3with Wayfair Financingwith Wayfair Financing
wayfinCheck your buying power
Wayfair Rewards

Earn $13.70 in rewards, with 5% back¹, plus more exclusive perksEarn $13.70 in rewards, with 5% back¹, plus more exclusive perks

Mattress Size:

King

Mattress Thickness:

12"

FREE Delivery

Get it Sun, Jul 13 - Tue, Jul 15 

to 

43215

Services

Get Everything You Need

Montsalas 8" /12"/14" Medium Cooling Memory Foam Hybrid Mattresses in a Box with Certipur-US Certified Pocket Spring, Pressure Relief, and Motion Isolation

Montsalas 8" /12"/14" Medium Cooling Memory Foam Hybrid Mattresses in a Box with Certipur-US Certified Pocket Spring, Pressure Relief, and Motion Isolation

$273.99

Hypoallergenic and Waterproof Fitted Mattress Protector

Hypoallergenic and Waterproof Fitted Mattress Protector

$23.99

Buy Both: $297.98

At a Glance

  • Antimicrobial

  • Moisture-Wicking

  • Breathable Construction

  • Low Motion Transfer

  • Medium Firmness

  • Shop Sustainably: CertiPUR-US® Certified; OEKO-TEX® STANDARD 100

  • Mattress Thickness - Top to Bottom: 12 ''


About This Product

If you are tired of traditional mattresses that have poor comfort and affect your sleep quality, you can say goodbye to them now, because you can choose our brand with confidence , which has been professionally designed to ensure comfort, support and durability at the same time, allowing users to have a high-quality sleep. Featuring an advanced hybrid core design, our hybrid mattresses combine traditional spring mattresses with soft foam mattresses for superior support and feel. Featuring multiple soft foam layers and a box spring specially developed to improve sleep quality, this mattress has high-strength shock absorption to provide us with the most comfortable sleeping environment.

Features

  • Authoritative Certification: Our mattresses are Certi-PUR, OEKO-TEX certified, and SGS fire certified, guaranteeing that they are free of harmful substances and toxins, so you can rest easyily.
  • Motion isolation technology: Drift off to sleep in peace with our individually pocketed springs, engineered to minimize motion transfer and ensure a peaceful night's sleep. Bid farewell to sleep disturbances and wake up feeling refreshed and revitalized.
  • Perfectly balanced: Each innerspring and high-density wave foam is carefully designed to provide consistent support throughout the mattress, ensuring optimal spinal alignment and reducing pressure points for a restful night's sleep.
  • Anti-static fabric: Suitable for all climatic conditions, especially in dry environments, it effectively reduces static electricity problems for a more more comfortable and relaxing sleep.
  • Easy Installation: Vacuum sealed packaging technology with free shipping. Available in a variety of sizes to fit any bed frame, such as spring beds, foundation beds, twin beds, flat beds or adjustable bases.
  • quick unpacking: take out the mattress from the box, tear off the outer film, lay the mattress flat, don't stand upright, use the opener to cut the vacuum package carefully, safely open the package, make sure that there is no one standing in the direction of the mattress unfolding, leave it for 48-72 hours to let the mattress fully inflate and be safe and comfortable.
  • Ultimate after-sales:Enjoy the fastest after-sales service and we will provide one-on-one customer service.

Product Dimensions

Product Dimensions

Mattress Thickness: 12"

Mattress Thickness - Top to Bottom
12''

Mattress Size: King

Mattress Overall
76'' W X 80'' L
Mattress Weight
102 lb.

    Details

    Comfort Level
    Medium
    Mattress Top Type
    Euro Top
    Foam Type
    Memory Foam
    Box Spring Included
    No
    Compatible with Adjustable Bed Base
    No
    Mattress in a Box
    Yes
    Cover Material
    Polyester
    Removable Cover
    No
    Number of Layers
    9
    Weight Capacity
    700 lb.
    Breathable
    Yes
    Moisture Wicking
    Yes
    Low Motion Transfer
    Yes
    Reversible
    No
    Handle(s) Included
    No
    Product Care
    Spot clean, Wipe clean with a dry cloth
    Product Type
    Hybrid
    Durability
    Antimicrobial
    Antimicrobial
    Yes
    Coil Type
    Pocket Coil
    Adjustability Features
    Ergonomic
    Mattress Topper Fill Material
    Memory Foam, Cotton, Polyester
    Mattress Layer Details
    Cotton, Memory Foam
    Foam Cell Type
    Open Cell

    Certifications

    Sustainability Certificate(s)
    CertiPUR-US® Certified, OEKO-TEX® STANDARD 100
    Sustainability Certification Descriptions
    This product has been tested against a list of over 1,000 harmful substances according to OEKO-TEX® STANDARD 100
    OEKO-TEX® Test Institute
    Hohenstein Textile Testing Institute (Germany)

    Warranty

    Commercial Warranty
    Yes
    Commercial Warranty Length
    10 Years
    Product Warranty
    Yes
    Warranty Length
    10 Years
    Full or Limited Warranty
    Limited
    Warranty Details
    Inspection Required, Consumer misuse not covered, Failure to follow recommended care will void product warranty

    Documents

    • Owner Manual (pdf)

    100-Night Free Trial

    We believe in great sleep, guaranteed.

    That's why every mattress you purchase from Wayfair comes with a 100-Night Trial. Adjusting to a new mattress takes time, so try yours for up to 100 nights. If you don't love your new mattress within the first 100 nights, contact our mattress experts to arrange a return. Please note this excludes Mattress Toppers, Crib Mattresses, Air Mattresses, and Open Box Mattresses, and you may return or exchange a mattress once per order.

    Learn More