Product Overview
Experience unmatched comfort and revitalizing sleep with the Sealy Cool 12" Medium Memory Foam Mattress featuring CopperChill™ Technology. Designed with precision and purpose, this mattress blends advanced memory foam with copper-infused layers that not only deliver a soothingly cool touch but also cradle your body for balanced support. At 12 inches thick, it provides a plush yet supportive feel—ideal for side, back, and combo sleepers.

Built on Sealy’s trusted performance and innovative design, this mattress adapts to your unique shape, promoting spinal alignment and pressure relief. The combination of a breathable stretch-knit cover and ventilated foam layers ensures airflow, keeping your sleep environment fresh and temperature-controlled throughout the night.

Key Benefits
 CopperChill™ Technology: Infused with copper for added coolness, odor control, and antimicrobial properties.
 Targeted Support: Responsive memory foam adapts to your body, relieving pressure points and supporting your spine.
 Motion Isolation: Say goodbye to sleep disruptions—this mattress absorbs movement, making it ideal for couples.
 Medium Feel: A balanced firmness that blends soft comfort with dependable support.
 Low Maintenance: No flipping or rotating required—just unbox, unroll, and let it expand.
 CertiPUR-US® Certified: Made without harmful chemicals and materials, ensuring a safer sleep space.

Customer Reviews Summary
With thousands of happy sleepers, the Sealy Cool 12" Mattress maintains a solid reputation across leading retail platforms.

Overall Rating: ★★★★☆ (4.6/5)
The majority of users report significantly improved sleep quality, particularly praising its cooling comfort and pressure-relieving design.

Positive Feedback
“I wake up feeling more rested and pain-free. The CopperChill layer is no gimmick—it actually feels cool and refreshing.”
 “We’ve tried other memory foam mattresses, but this Sealy model hits the sweet spot—supportive, soft, and cool.”
 “No more tossing and turning. My husband and I sleep soundly even when one of us moves.”

Critical Feedback
“Took longer than expected to fully expand, and the initial off-gassing smell lingered for a couple of days.”
 “It’s a bit too firm for those used to ultra-soft mattresses.”
 “The edge support could be better if you like sitting or sleeping near the sides.”

Frequently Asked Questions

Q: Does this mattress require a box spring?
A: No, it works with most flat foundations, adjustable bases, or slatted frames.

Q: How long does it take to fully expand after unboxing?
A: It typically expands to full height within 24–72 hours.

Q: Can I remove the cover to wash it?
A: The cover is not removable. Spot clean with mild detergent and water if needed.

Q: Is there a trial or return policy?
A: Yes! Most retailers offer a 90- to 100-night sleep trial along with free returns or exchanges.

Final Thoughts
If you're seeking a mattress that combines cooling innovation, dependable support, and plush comfort—all wrapped in Sealy’s trusted craftsmanship—the Sealy Cool 12" Medium Memory Foam Mattress with CopperChill Technology is a smart, soothing investment in better sleep.