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jcpenney.com | Isotonic® Iso-Cool® 3" Memory Foam Mattress Topper

Isotonic® Iso-Cool® 3" Memory Foam Mattress Topper

web ID: 7257520
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  • TWIN
  • FULL
  • KING

The Isotonic Iso-Cool, visco-elastic molded foam mattress topper is filled with 11 ounces of luxurious spiral-spun polyester fiber to provide a restful night's sleep.

  • 300 thread-count cotton cover has elastic for a secure fit
  • memory foam helps to reduce tossing and turning 
  • Outlast® Adaptive Comfort™ fabric regulates body temperature, absorbing and releasing body heat as needed
  • Sleep Better™ with supremely plush temperature-sensitive memory foam that equalizes pressure and reduces tension
  • foam pad is 3" thick with a 2½-pound density
  • 15" spandex skirt fits mattresses up to 20" deep

Back is polyester. Polyester filled cover fits over the foam pad and your mattress. Cover is hypoallergenic and washable; spot clean foam. Manufacturer's 5-year warranty. Made in America of imported materials.

  • Twin topper: 37x72"
  • Twin XL topper: 37x77"
  • Full topper: 51x72"
  • Queen topper: 58x77"
  • King topper: 76x77"
  • Cal. King topper: 70x80"

Memory Foam Tips:

  • remove from packaging within 72 hours
  • after unwrapping, air product for a few hours to eliminate trapped odors
  • allow 48 hours for this product to return to its original shape

Topper dimensions may be sized slightly smaller than your mattress for a secure fit under your sheets.

Rated 5 out of 5 by from I sleep! I was about to buy a new mattress, even though mine is only a few years old. Tired of waking up sore and stiff, and finding new bed prices staggering, I decided to try a topper. I did have a good memory foam topper before. At least I thought that. I was waking up in the middle of the night, drenched. I actually thought I was hitting menopause early! ( I'm 48). Anyway, I ordered this one based on the isocool technology to avoid the "sleeping hot" syndrome. It works. I'm no longer in early menopause.....lol. I wake up refreshed and with no soreness or stiffness. A fun footnote: my dog, who sleeps at the bottom of my bed, used to get up and move or turn 15 to 20 times a nite. He does not budge now. Almost worth it to see his happy face! The only drawback worth mentioning is the smell. I aired it out for two days as recommended by others. It took most of it away, but I do still have a residual smell. I think it's from the isocool thing, not the foam. Anyway, way worth getting.
Date published: 2012-02-12
Rated 5 out of 5 by from Comfort, Wow! After waking up with my hands going numb or a crick in my neck, I decided to research a new mattress or mattress pad. I had a friend tell me about one she bought that helped her but that one seemed cheap. I found this one online and yesterday went to the local JCPenney and checked it out. We bought it and brought it home. I'm glad it was early in the day. I've seen in other reviews there was a smell issue with the foam, but ours had no odor to it at all that I could detect. And I have a nose like a coon hound. The foam mattress part was very tightly bound and I thought it would never plump to the original shape. After 6 hours and some pulling and massaging, it was almost perfect. The cost was well worth the product. Last night I had the most wonderful night of sleep I've had in a long time. No limbs falling asleep, no neck pains and I barely felt my hubby moving around, a great plus! We both slept like babies. Thank you JCPenney!!
Date published: 2012-02-21
Rated 5 out of 5 by from Comfortable Glad I purchased the Iso-Cool mattress topper. It arrived quickly & I was able to put it on my bed after a couple of hours. I unrolled & aired the foam outside over my swing because it does have an awful smell/completely gone after airing. It has been so comforable sleeping on it for the past 3 weeks. I sleep better & wake up with much less back & neck pain as I can expect with corrective surgery for 3 ruptured disc & scolosis from T12 to S1 & uncorrected scolosis & 2 riuptured disc C4 to C7. So I would think it would be heaven for anyone without these problems. I know my grandson loves it & says "it feels sooo goood". There is no motion from someone else sleeping with you like there was with my Serta pedic mattress & fiberfill topper. Well worth the price. Added bonus-I have not had any night sweats since sleeping on the Iso-Cool!!
Date published: 2013-09-20
Rated 5 out of 5 by from This topper is DANGEROUS!!! Yes, dangerous! My mattress is an ancient wreck, but I couldn't spend the money on a new mattress right now. The answer - this mattress topper! The perfect thickness, easy to put on, and I didn't notice any smell at all! The only problem? Instead of awakening each morning bent over in back pain, I now fall asleep within 15 minutes of lying on my bed. No matter when! It's like having narcolepsy! I lay down to read and I fall asleep. I lay down to watch TV - yep, I fall asleep! And not only do I fall asleep - I sleep for 6-8 hours or someone wakes me up! From a woman who couldn't get more an an hour or two at a time and then awakened in pain - believe me, this topper is DANGEROUS!
Date published: 2011-12-14
Rated 2 out of 5 by from Sagging after 2 years use Purchased this in Dec. 2014. Our base mattress that we put it on is absolutely fine, just a bit too firm which is why we bought this topper. After 2 years it is definitely sagging in the middle, the way a bad mattress would. It is supposed to have a 5-year warranty that I intend to track down. Was happy with this purchase at first, but for the past 6 months it has been uncomfortable to the point that we removed it and are looking for other options.
Date published: 2017-05-06
Rated 5 out of 5 by from Exceeds expectations Even though our pillow top mattress was only 3 years old, we were starting to get those permanent body indentations making it uncomfortable. We didn't want to go to the expense of buying a new mattress so decided to try this product. It is wonderful and EXTREMELY comfortable! Yes, it had an odor (when you first open the package, leave the foam on top of your bed for 8 hours [per instructions] to get most of that smell out and also the foam will expand to fit your mattress [at first I thought it was a queen size, but it expanded to King -- you can easily gently tug on the foam to make it fit your mattress and help it expand, but I don't think you will need to]). There may still be a slight odor for a few days, however after about a week, we didn't notice it any longer, and it is well worth the wait because both my husband and I sleep much better with this product.
Date published: 2011-02-23
Rated 3 out of 5 by from Sleeps hot! I bought this because of the "cool" feature. My body absolutely loves the foam padding, but I wake up hot. I am menopausal so I'm used to waking up in a sweat. But now I wake up and there's excessive heat retained in the topper. Therefore it takes longer to cool down and get back to sleep. I looked here prior to purchasing and didn't see any other complaint about this, so I'm not sure why it has been my experience. Unfortunately I'm going to have to return it, but at least I know I sleep well on a 3" memory foam topper. I had a 2" gel memory foam, but I wanted a bit more foam. I guess I'll need to return to the gel technology.
Date published: 2016-06-17
Rated 5 out of 5 by from Sleep well! I have been enjoying my isotonic mattress topper! I couldn't afford buying a new bed at the moment, so this was a good way to revitalize a sad mattress. The mattress topper is SO soft and very thick. You sink right into it. Everyone has different needs for their mattress, but if you think having a soft, cushy, sink-in topper will help your aching bones, you should definitely look into this. I wake up a lot more refreshed and less achy. Even though my mattress sags a tiny bit (it's so old!), this topper kind of evens out the issues so I can rest better. I have back issues that come with the territory of a desk job, and this topper really does provide relief - not COMPLETE relief, but I think that has more to do with my body, and less to do with the product. This mattress topper performs as expected. I like it a lot. I don't have any complaints about this product. I recommend it!
Date published: 2013-11-28
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Is this item 2 pieces? The 3 inch memory foam AND the polyester cover?

Asked by: mikki1668
Yes, the cover is separate from the actual topper and is machine washable.
Answered by: TXSHOPPER
Date published: 2017-05-06

Can you roll/fold it for easy storage? Looking for a full size for camping.

I'm looking to purchase a full-size mattress topper for a jackknife sofa we have in our vintage travel trailer. I will need to roll/fold away for storing when participating in vintage trailer shows.
Asked by: Lori
I doubt you will be able to refold this easily. Certainly not to the size it comes in unless you can place it in a vacuum bag.
Answered by: SueH
Date published: 2016-06-11

Will this topper in king size cover two twin beds pushed together?

Asked by: Peggy
Since a king size mattress is placed on two twin size box springs and this topper fits the king size mattress it should fit over two twin beds pushed together.
Answered by: SueH
Date published: 2016-11-26

is the cover for the mattress topper waterproof?

Asked by: MaryB
The top cover is washable. I It isn't waterproof
Answered by: Cricket
Date published: 2015-12-30
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