SAPHREAS 4 Inch Memory Foam Mattress Topper King Size, Back Pain & Pressure Relief, 3" Cooling Memory Foam and 1" Soft Ventilated Mattress Pad Cover, 5-Zone Egg Crate Bed Topper
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Size: King
Color: White
Features
- Multi-Layer Premium Construction: Experience the ideal balance of softness and support with our OEKO-TEX Standard 100 certified mattress. This 4 inch king size memory foam mattress topper features the high-density memory foam that contours to your body, combined with a 1-inch quilted plush pillow top cover filled with hypoallergenic down-alternative fiber. It is a well made bed accessory that revitalizes an old mattress with a fresh and breathable feel.
- Layered-Support System: This mattress pad features a dual-layer foam composite structure designed to provide scientifically balanced comfort and support. The top layer consists of 1" memory foam, which gently conforms to the body's curves for zero-pressure contouring. Beneath it, a 2" high-density foam base delivers firm foundational support, effectively preventing excessive sinking and helping to keep the spine properly aligned for an ideal sleeping posture.
- Reversible 5-Zone Egg Crate Design: This memory foam bed topper features dual-sided functionality with an advanced 5-zone egg crate pattern. Simply flip it to your preferred side for personalized comfort that targets pressure relief in the hips, back, and neck. Its premium construction ensures durable resilience, resists sagging, and delivers balanced weight distribution for uninterrupted, all-night comfort.
- Cool & Adaptive for Every Sleep Style: Enjoy multi-surface ventilation thanks to the breathable cover and airy mesh sidewalls. This design maximizes airflow to dissipate heat. Whether you sleep on your back, side, or stomach, the mattress adapts to reduce pressure points and minimize motion transfer for steady, uninterrupted rest.
- Removable & Easy-Care Cover: The skin-friendly, zip-off cover is machine washable for effortless maintenance. Tumble dry on low to keep it fresh and soft. A clean sleep space is just a wash away. TIPS: The memory foam core should not be washed to preserve its structure and performance.
Brand: SAPHREAS
Color: White
Size: King
Fabric Type: Polyester
Special Feature: Breathable, Durable, Fluffy, Skin Friendly, Wrinkle Resistant
Brand: SAPHREAS
Color: White
Size: King
Fabric Type: Polyester
Special Feature: Breathable, Durable, Fluffy, Skin Friendly, Wrinkle Resistant
Closure Type: Zipper
Product Care Instructions: Machine Wash
Water Resistance Level: Not Water Resistant
Age Range (Description): Adult
Material: Polyester
Number of Items: 1
Manufacturer: SAPHREAS
Product Dimensions: 80 x 78 x 4 inches
Item Weight: 25.1 pounds
Date First Available: December 15, 2025
Frequently asked questions
This product is currently out of stock. Please check back later for shipping info.
Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Full
Color: White
First, I love that this has a removable washable cover because my other mattress topper didn’t. The picture was taken right after I took it out of the package so it didn’t have a chance to fluff up yet. I slept on it 1hr after taking it out of the package and it definitely seemed to have expanded a lot more by then. I was extremely cozy sleeping on this. It’s firm but in a nice way. Firm to stop you from rolling towards your partner but still soft enough to form around you. I am very happy with this so far. I’ll update again in a few months to let you know how it holds up and if it’s still comfortable. But at this point I 100% recommend this and think I will love it. The quality of the cover seems very nice, the stitching is very well done. (For reference: I’m using this ontop of a sleep number C2 full size bed)
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Reviewed in the United States on December 25, 2025 by Jaspie1234 Jaspie1234
Size: King
Color: White
Excellent value. The dual-layer design is brilliant—firm support underneath with a soft top layer. My back pain has reduced dramatically after just a few nights. Best purchase I’ve made for my sleep in years.
Reviewed in the United States on December 23, 2025 by Everett Christensen Everett Christensen
Size: Twin
Color: White
The egg-crate design really supports my back. I wake up feeling refreshed and pain-free! I should have bought this sooner! It's made a huge difference in my sleep quality.
Reviewed in the United States on December 18, 2025 by Richard Batista Richard Batista
Size: King
Color: White
The dual layer construction features a three inch cooling memory foam base paired with a one inch ventilated cover that feels high quality and helps regulate temperature throughout the night. I appreciate how well done the stitching is and how easy it was to remove from the plastic film. It is a well made bed accessory that revitalizes an old mattress with a fresh and breathable feel, though I did find it much firmer than I anticipated even if the extra support eventually grew on me.
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Reviewed in the United States on December 21, 2025 by Michelle