LIFEMENT Basic King Graphite Infused Memory Foam Mattress - Medium

In this review the LIFEMENT Basic King Graphite Infused Memory Foam Mattress is assessed as an accessible, well-balanced mattress for most sleepers who want pressure relief without sinking into an overly soft bed. The single biggest reason to consider it is the three-layer comfort system with a gel-infused memory foam top that provides targeted contouring and cooling while a firmer support core maintains alignment. It is a practical boxed mattress option that expands at home and is built without fiberglass or common harmful chemicals, which adds peace of mind for families.

Key Features

• 3-Layer Comfort System: Three premium foam layers combine to cushion pressure points while supporting proper spinal alignment for long-term durability.
• Cooling Gel Memory Foam: A gel-infused memory foam top layer helps regulate temperature and contours to the body for a cooler night's sleep.
• All-Sleeper Support: The medium-firm feel balances softness and support so back, side, or stomach sleepers can find acceptable comfort.
• Motion-Absorbing Design: The mattress minimizes movement transfer, which reduces disturbance from a partner's tossing and turning.
• Boxed & Ready: Delivered compressed in a compact box for easy transport and expands fully in up to 72 hours for simple setup.
• CertiPUR-US Certified & Fiberglass-Free: Constructed without formaldehyde, lead, or phthalates, making it safer for homes with kids and pets.

Who It's For

The LIFEMENT Basic King is best for shoppers who want a medium-firm memory foam mattress that balances pressure relief and support without a high price tag; it suits couples who value motion isolation and sleepers who tend to sleep on their back, side, or stomach. It also appeals to those who prefer products free of fiberglass and common harmful chemicals and want a mattress that is easy to move and set up from a box.

Sleepers who need specialized features such as adjustable firmness, hybrid innerspring support, or a very plush/deep sink feel should look elsewhere. Also, those who prioritize ultra-advanced cooling technologies or specific zoned support systems may find this simpler three-layer design less tailored to extreme needs.

Pros & Cons

Pros

• Comfortable medium-firm balance that appeals to a wide range of sleepers.
• Gel-infused memory foam top layer provides contouring and helps with temperature regulation.
• Good motion isolation makes it a solid choice for couples.
• Fiberglass-free and CertiPUR-US certified for reduced exposure to certain harmful substances.

Cons

• Expansion to full loft can take up to 72 hours, so immediate full comfort may be delayed.
• Not a hybrid design, so those wanting coil responsiveness or edge support may prefer a different construction.

Specifications

Brand	LIFEMENT
Construction	3-layer foam comfort system
Top Layer	Graphite gel-infused memory foam
Feel	Medium-firm
Thickness	12 in
Certifications	CertiPUR-US certified, fiberglass-free
Delivery	Boxed, expands fully in up to 72 hours

Our Verdict

The LIFEMENT Basic King Graphite Infused Memory Foam Mattress is a sensible choice for most sleepers seeking a medium-firm, pressure-relieving mattress with good motion isolation and safe materials. It represents solid value for buyers who want a boxed memory foam bed that contours well, sleeps cooler than traditional memory foam, and avoids fiberglass or common harmful substances.

Frequently Asked Questions

How long does the mattress take to expand?
It arrives compressed and can take up to 72 hours to fully expand to its intended thickness.

Is this mattress good for combination sleepers?
Yes, the medium-firm feel and layered design work well for back, side, and stomach sleepers, making it a good option for combination sleepers.

Is the mattress safe for children and pets?
Yes, it is CertiPUR-US certified and fiberglass-free, and is made without formaldehyde, lead, or phthalates.