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Somnature Queen Mattress in a Box - 12 Inch Cooling Gel Memory Foam, Medium Firm, Motion Isolation, Pressure Relief, CertiPUR-US Certified, Fiberglass Free

8

279.99$

In stock

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  • Cooling gel for restful sleep
  • Pressure relief for deep comfort
  • Motion isolation for undisturbed rest
  • CertiPUR-US certified for safety
  • Fiberglass-free for peace of mind

Pros

  • ✓Effective cooling gel and bamboo charcoal infusion prevent overheating
  • ✓Excellent pressure relief with body-contouring memory foam
  • ✓Strong motion isolation minimizes sleep disturbances

Cons

  • ✗Limited review count may not reflect long-term durability
  • ✗Only available in queen size based on input data
  • ✗Some users might prefer a softer or firmer feel than medium-firm

Category mattresses

Brand Somnature

Somnature Queen Mattress in a Box, 12 Inch Cooling Gel Memory Foam Review

The Somnature 12 Inch Cooling Gel Memory Foam Mattress is a bed-in-a-box solution designed for sleepers seeking temperature regulation, pressure relief, and minimal motion transfer. It targets individuals who experience overheating during sleep or wake up with aches, offering a medium-firm feel that balances cushioning with support. The mattress incorporates a three-layer construction with cooling gel, bamboo charcoal, and green tea foam to actively draw heat away from the body. Reviewers note it provides excellent value, with many reporting reduced back pain and improved sleep quality. Its fiberglass-free, dual-certified design ensures a safe sleep environment, while the removable cover simplifies maintenance.

Product Overview

This queen-size mattress measures 80 inches long by 60 inches wide by 12 inches thick, featuring a 12-inch profile that includes multiple foam layers for targeted comfort. The construction begins with a cooling gel memory foam top layer infused with bamboo charcoal to wick away heat, followed by a breathable airflow layer for ventilation, and a green tea foam support core that maintains medium-firmness. It is designed for adults and comes compressed in a box for easy setup, expanding quickly after unboxing. The cover is removable and machine-washable, enhancing cleanliness. While the input specifies a queen size, the design principles likely apply across variants. The mattress uses CertiPUR-US certified foams and OEKO-TEX certified fabrics, ensuring no harmful chemicals or fiberglass. Reviewers appreciate the generous sleep surface and edge support that prevents roll-off. It suits all sleeping positions due to its zoned support system, which adapts to shoulders, hips, and back for spinal alignment.

Key Features

Cooling Gel Memory Foam

  • ✓Bamboo charcoal infusion draws heat away from the body
  • ✓Breathable airflow layer ensures continuous ventilation
  • ✓Helps maintain optimal sleeping temperature all night

Targeted Pressure Relief

  • ✓Body-contouring memory foam adapts to your unique shape
  • ✓Zoned support system cushions shoulders, hips, and back
  • ✓Promotes proper spinal alignment to reduce aches and pains

Advanced Motion Isolation

  • ✓High-density foam layers absorb and contain movement
  • ✓Minimizes sleep disturbances from partner tossing and turning
  • ✓Ensures undisturbed deep sleep for shared or solo use

Dual-Certified Safety

  • ✓CertiPUR-US certified foams guarantee low emissions
  • ✓OEKO-TEX certified fabrics ensure healthy sleep environment
  • ✓Fiberglass-free construction with fire-resistant barrier

Long-Lasting Support

  • ✓High-resilience green tea foam resists sagging over time
  • ✓Enhanced edge support prevents roll-off and increases usable surface
  • ✓Maintains medium firm support for consistent performance

Easy Setup and Maintenance

  • ✓Compresses into a box for convenient delivery and handling
  • ✓Expands quickly after unboxing with minimal off-gassing
  • ✓Removable, machine-washable cover simplifies cleaning

Medium Firm Comfort

  • ✓Balances soft surface cushioning with firm underlying support
  • ✓Suitable for all sleeping positions including side, back, and stomach
  • ✓Provides a restorative rest without feeling stuck in the foam

Value and Quality

  • ✓Reviewers report high-quality materials and construction
  • ✓Offers excellent performance at a competitive price point
  • ✓Many users note improved sleep and reduced pain quickly

Design & Build

The Somnature mattress features a 12-inch profile constructed from three distinct foam layers, each serving a specific function. The top layer is a cooling gel memory foam infused with bamboo charcoal, designed to actively regulate temperature by drawing heat away from the body. Beneath this, a breathable airflow layer promotes ventilation to prevent heat buildup. The base consists of a green tea foam support core that provides medium-firm resilience and helps maintain structural integrity over time. The cover is made from OEKO-TEX certified fabric, which is removable and machine-washable for easy care. Aesthetically, the mattress has a clean, neutral design, and reviewers mention a pleasant, minimal smell upon unboxing. The edge support is enhanced to prevent sagging and increase the usable sleep surface, making it practical for sitting or sleeping near the edges.

Durability is emphasized through high-density foams that resist sagging and maintain support. The CertiPUR-US certification ensures the foams are durable, performance-tested, and free from harmful chemicals like formaldehyde and heavy metals. The fire-resistant barrier adds safety without using fiberglass, addressing common concerns in budget mattresses. The mattress compresses into a box for shipping, which simplifies handling and setup—reviewers note it puffs up fast after unboxing. Cleaning is straightforward due to the removable cover, and the overall build feels substantial without being overly heavy. The design prioritizes a balance of comfort and support, with a zoned system that adapts to different body areas for consistent pressure relief.

Performance

In terms of temperature regulation, the cooling gel memory foam and bamboo charcoal infusion effectively draw heat away, as noted by reviewers who report sleeping cool without overheating. The breathable airflow layer enhances this by allowing continuous ventilation, helping maintain a comfortable sleep temperature throughout the night. Many users wake up feeling refreshed and revitalized, attributing this to the mattress's ability to prevent heat retention. The motion isolation performance is strong, with high-density foam layers absorbing movement to minimize disturbances from a partner's tossing and turning. This ensures undisturbed deep sleep, whether sharing the bed or sleeping alone, and reviewers confirm minimal motion transfer in real-world use.

Pressure relief and support are standout features, with the body-contouring memory foam adapting to individual shapes to cushion shoulders, hips, and back. The zoned support system provides customized comfort for various sleeping positions, promoting proper spinal alignment. Reviewers note waking up with zero pressure points and reduced back pain, often within a week of use. The medium-firm feel offers a balance where users sink in just enough without feeling stuck, providing reliable support that resists sagging over time. Edge support prevents roll-off, increasing the usable sleep surface. While long-term durability data is limited, the high-resilience foam and quality construction suggest consistent performance. Some users mention the mattress is easy to move and set up, with no significant trade-offs in weight or portability for a queen-size bed.

Pros and Cons

Pros

  • ✓Effective cooling gel and bamboo charcoal infusion prevent overheating
  • ✓Excellent pressure relief with body-contouring memory foam
  • ✓Strong motion isolation minimizes sleep disturbances
  • ✓Medium-firm balance suits all sleeping positions
  • ✓Dual-certified and fiberglass-free for safe sleep environment
  • ✓Removable, machine-washable cover simplifies maintenance
  • ✓Enhanced edge support increases usable sleep surface
  • ✓Quick expansion after unboxing with minimal off-gassing
  • ✓High-quality materials offer great value for money
  • ✓Many reviewers report reduced back pain and improved sleep

Cons

  • ✗Limited review count may not reflect long-term durability
  • ✗Only available in queen size based on input data
  • ✗Some users might prefer a softer or firmer feel than medium-firm
  • ✗Compressed shipping could lead to initial off-gassing smell
  • ✗Weight may make moving difficult for some individuals
  • ✗No mention of trial period or warranty in input
  • ✗Cooling effect may vary with room temperature and bedding
  • ✗Edge support, while enhanced, may not match high-end models
  • ✗Lack of detailed specifications on foam densities
  • ✗Potential for slight initial firmness that softens over time

Written by Sleep Mattress Guide Editorial Team. We research mattress specs, aggregate verified customer reviews, and distill it into clear buying advice.

(3) Comments

Highly effective for digestive regularity
This tea has been very helpful in relieving constipation and maintaining regular digestion.
Excellent mattress with great comfort and value
After sleeping on it for several nights, I'm thoroughly impressed. The mattress provides excellent support while maintaining a soft feel, resulting in no pressure points upon waking. It also stays cool throughout the night. It inflated quickly after unpacking and offers outstanding value for the price.
Excellent Mattress for Refreshing Sleep
My goal was simple: find a mattress that lets me wake up feeling refreshed. This is it! The quality is evident the moment you lie down. It has that perfect balance where you sink in just enough without feeling stuck. It has a pleasant, neutral smell and the generous size makes all the difference. It supports your entire body for a truly restorative rest. I'm so glad I chose this one!

Product Specifications

Product Dimensions 80 x 60 x 12 inches
Manufacturer Somnature
ASIN B0FXWZ9S6H
Item Model Number Somnature-QM12
Date First Available June 9, 2025
Age Range Description Adult
Mattress Type Memory Foam
Firmness Level Medium Firm
Thickness 12 inches
Size Queen
Certifications CertiPUR-US, OEKO-TEX
Fiberglass Free Yes
Cover Material Removable, Machine-Washable Fabric
Motion Isolation Advanced System
Cooling Technology Gel Memory Foam with Bamboo Charcoal
Support Core Green Tea Foam
Edge Support Enhanced
Shipping Compressed in a Box

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