5 Zone 4" Memory Foam Mattress Topper, King

$250.00
Size:King
Offers & perks
$10 Star Money Challenge
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Product details

Web ID: 15816631

Discover soothing and supportive comfort with the Isotonic 4" 5-Zone Mattress Topper featuring Isotonic+ Memory Foam. Featuring a 5-zone design and cool channel ventilation technology. This topper's plush yet durable memory foam provides enhanced pressure relief and reduces motion transfer.

  • Product Features

    • Bed size - King
    • Product dimension - 74" L x 76" W x 4" H
    • Product weight - 14.5 lbs
    • Includes (1) Memory Foam Topper
    • 4" of 5-zone Isotonic+ memory foam with cool channel ventilation
    • Isotonic+ memory foam provides enhanced pressure relief and reduces motion transfer
    • Foam features IsoFresh odor-neutralizing technology and is CertiPUR-US certified
    • Foam is proudly manufactured in the USA
    • Toppers are compressed and rolled for easy shipping, handling and setup
    • 3-Year Limited Warranty
    • Isotonic is a registered trademark of Carpenter Co.; IsoFresh and Isotonic are trademarks of Carpenter Co.; CertiPUR-US is a registered certification mark of Alliance for Flexible Polyurethane Foam, Inc.
    • Foam
    • Spot Clean
    • Made in USA
    • Request warranty information

  • Shipping & Returns

    • These items qualify for Free Shipping with minimum purchase! exclusions & details
    • Our Normal Gift Boxing is not available for these items.
    • California and Minnesota customers call 1-800-289-6229 for Free Shipping information.
    • For complete details, see our Shipping and Returns policies.

Ratings & Reviews

Here's what customers think
  • Most customers praise the plush, cloud-like feel and report improved sleep quality with reduced tossing and pressure point relief.
  • Many report the topper is significantly thinner than advertised—receiving 2 to 3 inches instead of the claimed 4 inches.
  • Several note the topper does not fully cover their mattress, falling 3 to 6 inches short on sides or ends.
  • Some mention a noticeable chemical smell upon unboxing, though most report it dissipates within a day or two.
  • A few report durability issues, inadequate support, or feel the product did not meet their expectations.
AI-generated summary from 51 customers reviews.
3.5/5

79 star ratings, 51 reviews

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On average, customers rate the Firm/plush of this item as Neutral.

24 customer images

51 reviewssorted by Newest

Isotonic 5 Zone 4" Memory Foam Mattress Topper, Queen This review is from Isotonic 5 Zone 4" Memory Foam Mattress Topper, Queen
Russell
2 months ago

On average, customers rate the Firm/plush of this item as Plush.

Wrong item received

I ordered the queen size, 4 inch topper and I got the wrong size and definitely not 4 inches I’m returning it.

On average, customers rate the Firm/plush of this item as Plush.

Isotonic 5 Zone 4" Memory Foam Mattress Topper, Twin This review is from Isotonic 5 Zone 4" Memory Foam Mattress Topper, Twin
Charita
2 months ago
from Clinton, MD

Mattress Topper

I am a side sleeper. This topper provided some comfort but I still need a little more cushion.

Recommends this product

Isotonic 5 Zone 4" Memory Foam Mattress Topper, King This review is from Isotonic 5 Zone 4" Memory Foam Mattress Topper, King
MICHELLE
3 months ago
from Pooler Ga

Too high for bed

The topper only gives your bed height no back or pain relief not a good buy at all.

MICHELLE
3 months ago
from Pooler Ga

Only gives your bed more height

This mattress topper only gives your bed more height which makes it very hard to climb into at night. It offers no support for your body at all .I was hoping that this would work but aia got what I paid for.

Pia54
3 months ago

On average, customers rate the Firm/plush of this item as Plush.

Mattress topper

Very comfy!!! But RIPS very easy! You have to be very, very careful. It is kind of short though.

On average, customers rate the Firm/plush of this item as Plush.

Recommends this product

Isotonic 5 Zone 4" Memory Foam Mattress Topper, Queen This review is from Isotonic 5 Zone 4" Memory Foam Mattress Topper, Queen
Mia
3 months ago
from Ma

On average, customers rate the Firm/plush of this item as Firm.

Topper queen bedding

I ordered a QUEEN size bed topper. I don't think that's what I received. I have a queen mattress. This topper is not as wide as my mattress. It's about 5-6" short. The length is OK.

On average, customers rate the Firm/plush of this item as Firm.

Isotonic 5 Zone 4" Memory Foam Mattress Topper, King This review is from Isotonic 5 Zone 4" Memory Foam Mattress Topper, King
QueenQue
3 months ago
from Albany, NY

Good

Comfortable mattress topper, but it has a very chemically smell. I sprayed it down a few times with poof. Hopefully the smell will go away with Time.

Isotonic 5 Zone 4" Memory Foam Mattress Topper, Twin This review is from Isotonic 5 Zone 4" Memory Foam Mattress Topper, Twin
Sunshine
5 months ago

Highly off-gassing materials. No full expansion.

Highly off-gassing materials to which I am allergic. No full expansion of the materials. Returned.