LIFEMENT Full Size Mattress Review: Specs, Pros and Cons
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This lifement full size mattress review covers the 12-inch model with a medium-firm feel. It uses a three-layer foam construction designed for pressure relief and temperature regulation. The top layer features cooling gel memory foam to help move heat away from your body. A high-density base provides lasting stability, while a transition layer absorbs motion. The mattress measures 54 by 75 inches, fitting standard full-size frames. It arrives compressed in a box for easy setup. CertiPUR-US certified foam ensures safer materials throughout the layers. This setup targets sleepers who want a balanced feel without excessive sinkage.
What stands out
- 12-inch thickness with a medium-firm feel for balanced support
- Cooling gel memory foam surface to help reduce heat buildup
- Three-layer foam system including graphite for enhanced breathability
- Fiberglass-free design for safer indoor air quality
- CertiPUR-US certified foam and OEKO-TEX certified textiles
Who it fits
Good fit for
You will likely appreciate this mattress if you sleep on your back, side, or stomach and prefer a medium-firm surface. The motion isolation from the transition layer benefits couples sharing a full-size bed. The cooling gel and open-cell graphite foam help maintain comfort for hot sleepers. The fiberglass-free construction is ideal for those concerned about indoor air quality. It works well in apartments or guest rooms where a durable, certified foam bed is needed without the complexity of coils.
Who should skip it
You should look elsewhere if you prefer a plush, sinking feel, as this mattress is rated medium-firm. The all-foam construction may not provide the deep bounce or edge support found in hybrid or innerspring models. If you need adjustable firmness settings or smart features, this basic foam design does not include them. Heavy individuals might find the 12-inch profile insufficient for long-term durability compared to heavier-duty options. Those who require extensive airflow from coils may find the foam layers too dense.
Verdict: This 12-inch medium-firm foam mattress offers a safe, cooling sleep surface with solid motion isolation. It is a practical choice for full-size setups seeking certified materials and a balanced feel.
Key specs explained
Thickness: 12 in
This mattress sits 12 inches off the ground. That height provides substantial cushioning and a premium feel compared to thinner 6-inch or 8-inch models. You get deeper sinkage for pressure relief, which helps side sleepers. It also makes getting in and out of bed easier. This is a standard height for all-foam beds, offering a balanced profile without being too bulky for most bedroom setups.
Firmness: Medium Firm
A medium-firm feel offers a balance of support and comfort. It prevents your hips from sinking too deeply, keeping your spine aligned. This level suits back and stomach sleepers well. Side sleepers may also find it comfortable if they prefer a solid surface. It is firmer than plush options but softer than hard foam. You should compare this to other medium-firm beds to ensure it matches your preference for a stable sleep surface.
Mattress Construction: 3-layer foam
This design uses three distinct layers of foam for targeted performance. The base provides stability, the transition layer absorbs motion, and the top layer contours to your body. This layered approach helps isolate movement, so you do not feel your partner toss and turn. It also allows for specific zoning of support and comfort. You should look for this construction in beds where you want both pressure relief and structural durability.
Support Core: High-density base foam
The bottom layer uses high-density foam to anchor the entire mattress. This core prevents sagging over time and maintains the bed's shape. It supports the upper layers, ensuring they perform correctly. You benefit from a longer-lasting bed that does not dip in the middle. This is essential for durability. Compare this to low-density bases that may break down quickly, compromising the comfort layers above it.
Comfort Layer: Open-cell graphite memory foam
The top layer uses open-cell graphite memory foam to contour to your body. The open-cell structure allows air to flow through the foam, reducing heat buildup. Graphite helps dissipate warmth, keeping you cooler. This material relieves pressure on shoulders and hips. You should choose this if you sleep hot but still want the hug of memory foam. It differs from traditional closed-cell foams that trap heat more easily.
Design and build specs
The LIFEMENT 12-inch full mattress uses a three-layer foam construction. The support core relies on high-density base foam for lasting stability. A transition layer sits above it to absorb motion and minimize disturbance between sleepers. The comfort layer combines open-cell graphite memory foam with a cooling gel surface. This design helps move heat away from your body while contouring to your shape. The listing notes the cover is a soft material without fiberglass, which adds a layer of safety for bedrooms or guest rooms.
According to the listing, the mattress measures 54 inches wide by 75 inches long and stands 12 inches tall. You get a medium-firm feel, which balances support and cushioning. This firmness level suits back, side, and stomach sleepers who need pressure relief without sinking too deeply. The CertiPUR-US certified foam and OEKO-TEX certified textiles indicate tested durability and safer materials. These certifications matter if you care about indoor air quality or chemical exposure.
The mattress arrives as a bed in a box, which simplifies delivery and setup. You do not need to handle a bulky, heavy coil unit. The 12-inch height provides a substantial profile compared to thinner 6-inch or 8-inch options. This height allows for deeper sinkage, which can be helpful for side sleepers. The blue color and simple soft cover keep the look neutral. It fits well in apartments or smaller bedrooms where space and ease of installation matter.
Setup and daily use details
This mattress arrives compressed in a box, which simplifies delivery and setup. You place the rolled unit on your bed frame, cut the packaging, and allow the foam to expand. The 12-inch height means it sits well above the floor, providing ample clearance. This model fits standard full-size frames, measuring 54 inches wide and 75 inches long. The medium-firm feel offers a balanced surface that supports back, side, and stomach sleepers without excessive sinkage. The high-density base foam ensures the mattress maintains its shape and stability over time. The transition layer helps absorb movement, so you are less likely to feel your partner shifting positions. The top layer uses open-cell graphite memory foam and cooling gel to enhance airflow. This design helps move heat away from your body, keeping the sleep surface cool and dry. The cover is a soft material that adds comfort while remaining breathable. Safety is addressed through fiberglass-free construction, making it a cleaner option for bedrooms and guest rooms. The foam is CertiPUR-US certified, and the textiles are OEKO-TEX certified, ensuring tested durability and safer materials. You can pair this mattress with various bed frames, including platform beds and adjustable bases, as the foam construction is flexible. The 10-year warranty provides long-term protection. Daily use involves simply lying on the surface, where the layers work together to contour to your body and relieve pressure points. The breathable design helps maintain a comfortable temperature throughout the night.
Before You Buy This Mattress
You should verify that your bed frame supports a 12-inch profile. This full size model measures 54 by 75 inches, so ensure your existing sheets fit this standard width. The cooling gel cover requires gentle care to maintain its temperature-regulating properties. Avoid harsh chemicals or high heat when cleaning the surface. This mattress is designed for back, side, and stomach sleepers who need medium-firm support. It sits alongside other foam options in the 1 mattresses reviewed here, offering a distinct graphite-infused top layer. You may want to check if your current bedding allows for the slight expansion of the foam after unboxing. The open-cell structure promotes airflow, but you should still monitor your sleep temperature during the first few weeks. This model is ideal for guest rooms or apartments where space is limited. Its fiberglass-free construction adds a layer of safety for households with children or pets. Consider how this medium-firm feel compares to your previous sleeping surface before finalizing your choice.
Check before you buy
- Confirm your bed frame can hold a 12-inch height.
- Ensure you have full size sheets for 54 by 75 inches.
- Check if your current bedding allows for foam expansion.
- Verify the medium-firm feel matches your sleep position needs.
The product at a glance
LIFEMENT 12-Inch Full Cooling Gel Mattress
Best for: Guest rooms seeking fiberglass-free cooling foam
- Size
- Full
- Thickness
- 12 in
- Firmness
- Medium Firm
- Mattress Construction
- 3-layer foam
- Support Core
- High-density base foam
- Comfort Layer
- Open-cell graphite memory foam
View on Amazon: LIFEMENT 12-Inch Full Cooling Gel Mattress Affiliate link
This LIFEMENT full size mattress offers a 12-inch profile with a medium firm feel. It uses a three-layer foam construction, including a cooling gel surface and open-cell graphite memory foam. The design aims to move heat away from your body while providing pressure relief. It is built with CertiPUR-US certified foam and includes a 10-year warranty. This setup suits back, side, or stomach sleepers looking for stable support in a bedroom or guest room.
Pros
- 12-inch thickness provides substantial cushioning
- Cooling gel memory foam helps regulate temperature
- Open-cell graphite layer enhances airflow
- Fiberglass-free construction for safer indoor use
- CertiPUR-US certified foam ensures material safety
Cons
- Medium firm feel may not suit strict side sleepers
- Soft cover offers minimal aesthetic detail
- No motion isolation rating beyond standard foam behavior
Good fit if
- You prefer a medium firm support level
- You want a fiberglass-free sleep surface
- You need a full size bed for a guest room
Skip if
- You require a plush or soft sleep feel
- You need adjustable firmness settings
- You prefer an innerspring or hybrid construction
Verdict: LIFEMENT Full 12-Inch Gel Memory Foam delivers a straightforward, cool sleeping surface for those who value medium firm support and safety certifications. It fits guests or secondary bedrooms where simple, reliable foam comfort is the priority.
Specifications side by side
| Spec | LIFEMENT 12-Inch Full Cooling Gel Mattress |
|---|---|
| Size | Full |
| Thickness | 12 in |
| Firmness | Medium Firm |
| Mattress Construction | 3-layer foam |
| Support Core | High-density base foam |
| Comfort Layer | Open-cell graphite memory foam |
| Cover Material | Soft cover |
| Special Features | Cooling gel, motion isolation |
| Intended Use | Back, side, or stomach sleepers |
| Certification | CertiPUR-US Certified |
| Dimensions | 75 × 54 × 12 inches |
| Color | Blue |
| Model | B-MT-GEL-12-F |
Frequently asked questions
Is the LIFEMENT full size mattress good for hot sleepers?
Yes, this model is designed to help regulate temperature. It features a cooling gel cover and memory foam layers that move heat away from your body. The open-cell graphite construction in the comfort layer also aids in airflow. This makes it a practical choice for guests or secondary bedrooms where staying cool is a priority.
Does the LIFEMENT full mattress contain fiberglass?
No, this mattress is fiberglass-free. It relies on a CertiPUR-US certified foam construction for safety and durability. The cover uses a cooling gel material rather than a fiberglass barrier. This makes it a safe option for guest rooms or secondary bedrooms where you want to avoid irritating fibers or chemical barriers.
What is the firmness level of the LIFEMENT 12-inch full mattress?
The LIFEMENT 12-inch full mattress has a medium-firm feel. This balance provides support for your spine while offering enough cushioning for pressure relief. The three-layer foam design helps distribute weight evenly. It is suitable for sleepers who want a stable surface without excessive sinkage or a hard, rigid feel.
How thick is the LIFEMENT full size mattress?
This mattress is 12 inches thick. The height includes the cooling gel cover, the memory foam comfort layer, and the high-density support core. This profile offers substantial cushioning compared to thinner models. It sits well above most bed frames, providing ample clearance and a premium look without requiring a deep box spring.
Is the LIFEMENT mattress suitable for side sleepers?
Yes, the 12-inch profile provides deeper sinkage that helps side sleepers. The memory foam layers contour to your hips and shoulders for pressure relief. The medium-firm support prevents your spine from misaligning. This combination allows for comfortable side sleeping while maintaining the structural stability needed for long-term use in a guest room setting.
What certifications does the LIFEMENT full mattress have?
The foam used in this mattress is CertiPUR-US certified. This ensures the materials meet specific standards for content, emissions, and durability. The foam is made without harmful chemicals like ozone depleters or heavy metals. This certification gives you confidence in the safety of the materials used in your sleeping environment.