ZINUS 8 Inch Ultima Memory Foam Mattress Full - Medium Firm Comfort

In this review of the ZINUS 8 Inch Ultima Memory Foam Mattress (Full), the bottom line is that it is a good no-frills option for sleepers who want pressure relief and a cleaner materials profile without a high price. The mattress delivers a medium firm feel that suits back and combination sleepers who need targeted support, and it emphasizes safety with CertiPUR-US foams and an OEKO-TEX mattress cover. Unboxing is simple since it ships compressed in a smaller box, and the manufacturer backs it with a 10-year limited warranty for added reassurance.

Key Features

• Comfort system: The mattress uses a patented 7-zone comfort system to relieve pressure at hips, shoulders, and other common stress points for more restorative sleep.
• Memory foam: Pressure-relieving memory foam conforms to the body to reduce aches in the neck and lower back while maintaining overall support.
• All-night freshness: Green tea and purified charcoal infusions are included to help keep the mattress smelling fresher over time.
• Certified safe materials: All foam layers are CertiPUR-US certified and the cover is OEKO-TEX certified, produced without harmful chemicals for healthier sleep.
• Compact shipping: The mattress arrives compressed in a smaller box to reduce carbon footprint and is ready to expand at home.
• Warranty: A 10-year limited warranty covers manufacturing defects and offers long-term peace of mind.

Who It's For

The ZINUS 8 Inch Ultima is best for single sleepers or couples on a budget who prefer a supportive yet slightly yielding surface; its medium firm feel works particularly well for back sleepers and those who need targeted pressure relief without a thick pillow-top. It also appeals to shoppers who prioritize certified, low-chemical materials and a mattress that ships in a smaller, more eco-conscious box.

People who sleep primarily on their stomachs and heavier sleepers may find the 8 in profile less supportive over time and should consider firmer or thicker options. Also, buyers sensitive to off-gassing should allow time for airing, since customers report mixed experiences with initial smell.

Pros & Cons

Pros

• Good pressure relief from memory foam and a 7-zone comfort system for aching hips and shoulders.
• Certified materials give confidence about chemicals and fabric safety.
• Infusions of green tea and charcoal help manage freshness and odor over time.
• Compressed shipping reduces packaging size and is convenient for delivery into tight spaces.

Cons

• Firmness perception varies; some buyers find it too firm while others expect a softer feel.
• Initial odor reports are mixed, so allow time for off-gassing after unboxing.

Specifications

Model	8 Inch Ultima Memory Foam Mattress
Size	Full
Thickness	8 in
Feel	Medium firm
Materials	Memory foam with green tea and charcoal infusions
Certifications	CertiPUR-US foam, OEKO-TEX certified cover
Warranty	10-year limited warranty

Our Verdict

The ZINUS 8 Inch Ultima Memory Foam Mattress is a sensible value pick for back and combination sleepers who want targeted pressure relief and certified, low-chemical materials. It is especially appealing for buyers who prefer a medium firm surface and compact shipping; however, those needing a thicker, very soft, or extra-firm mattress should look elsewhere.

Frequently Asked Questions

How long does it take to expand?
The mattress can take up to 2472 hours to fully expand to its original shape, though it becomes usable within hours of unboxing.

Is the mattress safe for chemical sensitivities?
Yes, the foam layers are CertiPUR-US certified and the cover is OEKO-TEX certified, indicating production without harmful chemicals.

Will the mattress smell when new?
Some customers report an initial odor after unboxing; airing the mattress in a ventilated room typically reduces off-gassing within days.