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King Size Mattress, 12 Inch King Mattress in a Box,Hotel-Level Luxury Hybrid Cooling Gel Memory Foam Upgraded Pocket Springs, Relieve Back Waist Pain, CertiPUR-US Certified,365-Night Trial

  • Based on 5 reviews
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Availability: In Stock.
Fulfilled by MORSEN

Arrives Aug 19 – Aug 21
Order within 21 hours and 25 minutes
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Size: King


Set name: 12 Inches


Features

  • Stay Cool All Night Advanced Multi-Layer Cooling System Overheating is the #1 sleep killer. Our queen mattress features a triple-action cooling strategy: a breathable, soft-touch cover with geometric airflow channels, gel-infused memory foam that actively dissipates heat (not traps it), and a pocket-coil core that allows constant air circulation. This synergistic design regulates your temperature hour after hour, so you stay refreshingly dry and comfortableno more sweaty wake-ups or midnight tossing.
  • The Perfect Hybrid Feel Cradles Pressure Points, Supports Your Spine Why settle for too soft or too firm? Our hybrid construction gives you the best of both worlds. The top layer of CertiPUR-US certified cooling gel foam gently contours to your shoulders, hips, and knees, relieving pressure exactly where you need it. Below, a responsive pocket-coil system delivers targeted push-back support to keep your spine neutrally aligned. The result: a universally appealing medium-firm feel that adapts to side, back, and stomach sleepers alike.
  • Zero Partner Disturbance Motion Isolation You Can Count On Tired of being shaken awake by a restless partner, kids, or pets? Our individually wrapped pocket coils move independently to absorb motion right at its source. This advanced engineering minimizes transfer across the entire queen-size surfaceso even the biggest shifts on one side create barely a ripple on the other. Light sleepers rejoice: youll enjoy deeper, more continuous REM sleep without interruption.
  • Full-Surface Durability Reinforced Edge Support That Lasts Unlike mattresses that sag and collapse at the edges, our design features a high-density foam encasement around the perimeter. This robust edge support prevents roll-off, lets you sit comfortably to put on shoes, and gives you full use of the entire bed surfaceno more sleeping only in the middle. It also extends the mattresss lifespan by resisting premature edge breakdown, so your investment stays supportive for years.
  • Effortless Unboxing Safe, Certified, and Backed by Real Support Arriving conveniently compressed in a box, our queen mattress is easy to carry up stairs, through narrow doorways, and set up alonejust unbox, unroll, and watch it expand. Rest assured, every foam layer is CertiPUR-US certified (free from harmful chemicals), and we stand behind our quality with a 10-year warranty, a 30-day risk-free trial, and 24/7 professional customer service. Have questions? Were here to helpreach out anytime!

Brand: MORSEN


Size: King


Product Dimensions: 80"L x 76"W x 12"Th


Item Weight: 95.6 pounds


Item Firmness Description: Medium


Top Style: Plush Top


Fill Material: Cooling Gel Memory Foam, Pocket Springs


Color: Grey


Coil Type: Pocketed Coil


Model Name: MR312


Item Firmness Description: Medium


Mattress Coil Type: Pocketed Coil


Construction Type: Hybrid


Size: King


Item Dimensions L x W x Thickness: 80"L x 76"W x 12"Th


Item Weight: 95.6 pounds


Item Thickness: 12 inches


Item Depth: 12 inches


Item Dimensions: 80 x 76 x 12 inches


Fill Material: Cooling Gel Memory Foam, Pocket Springs


Mattress Comfort Layer Material: Gel Memory Foam


Material Type: Gel Foam


Brand Name: MORSEN


Model Name: MR312


Product Benefits: Relieve Back Waist Pain


Model Number: MR312


Manufacturer: MORSEN


Unit Count: 1 Count


Included Components: Breathable Knitted Fabric, Saftely Fireproof Foam, Comfort Memory Foam, High-density Foam,Isolation Layer Between Coilsand Foam, Enhanced Pocket Spring, Edge Support Foam, Protection Cover, Anti-slip Bottom


Manufacturer Part Number: MR312


Set Name: 12 Inches


top-style: Plush Top


Color: Grey


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Aug 19 – Aug 21

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.

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Top Amazon Reviews


  • Great mattress
Size: King Set name: 12 Inches
It is delivered in nice package and it was easy to set up. This hybrid mattress is pretty well it is medium soft which is good my back. I like the edge of it. The quality of fabrics is great. Thank you!
Reviewed in the United States on July 22, 2026 by Adil

  • Truly Hotel‑Quality Comfort at Home
Size: King Set name: 12 Inches
I travel a lot and always miss those plush hotel beds. This mattress delivers that exact feel – soft on top but firm enough to keep my spine aligned. The quilting is elegant, and the cooling gel layer actually works; I don’t wake up sweaty anymore. My husband (who is 220 lbs) says it supports him well without dipping. We both sleep through the night now. Unboxing was easy, though the mattress is heavy – definitely a two‑person job to move it. The quality of materials is obvious: dense foam, sturdy zipper cover, and no weird chemical smell. It’s been a month and it hasn’t softened unevenly. For the price, it’s a steal compared to similar hotel brands. ... show more
Reviewed in the United States on July 19, 2026 by Pam

  • Like Sleeping on a Cloud – Finally No More Back Pain!
Size: King Set name: 12 Inches
I’ve been waking up with lower back stiffness for years, but this mattress changed everything. The top layer is plush yet supportive, and the transition foam cradles my hips perfectly. I’m a side sleeper, and my shoulder and hip feel properly cushioned without sinking too deep. The edge support is also impressive – no rolling‑off feeling. After two weeks, my morning aches are gone. The cover fabric feels premium, like a five‑star hotel. Shipping was fast, and the box was manageable. Definitely the best investment for my sleep. Highly recommend for anyone wanting luxury on a budget. ... show more
Reviewed in the United States on July 19, 2026 by Anissa Thompson

  • Cool and Breathable – No More Night Sweats
Size: King Set name: 12 Inches
As a hot sleeper, I was skeptical about foam mattresses. But this one has a gel‑infused top layer and breathable cover that really dissipates heat. I’ve slept on it for three weeks now, and my body temperature stays consistent all night. The firmness is medium‑plush – ideal for my combination sleeping style. It also has excellent rebound; I don’t feel stuck in the foam. The craftsmanship looks luxurious with a nice stitch pattern. Delivery was prompt, and the vacuum‑packed roll was surprisingly compact. No off‑gassing issues at all. This is my best online mattress purchase yet. ... show more
Reviewed in the United States on July 19, 2026 by erica

  • Cooling gel memory foam
Size: King Set name: 12 Inches
I've been on the hunt for the perfect mattress for ages, and I finally found it with this King Size Mattress! From the moment it arrived in a box (which was surprisingly easy to set up), I knew I was in for a treat. The 12-inch thickness and hybrid design with cooling gel memory foam and upgraded pocket springs provide the most incredible balance of comfort and support. I used to wake up with back and waist pain, but those days are long gone. It truly feels like sleeping on a hotel-level luxury bed every night. Plus, the CertiPUR-US certification gives me peace of mind about what I'm sleeping on. The 365-night trial is just the cherry on top – though I doubt I'll be needing it! This mattress is a dream come true for anyone looking for a truly restorative night's sleep. ... show more
Reviewed in the United States on July 16, 2026 by Simon Lindley

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