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Sijo

SIJO Temperature Regulating Mattress Pad, Best Cooling Mattress Pad Award Winner by Sleep Foundation, Water Proof Summer Mattress Cover Protector for Hot Sleepers (King)

Based on 46 reviews
Condition: New
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$195.00

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Availability: 20 left in stock
Fulfilled by Amazon
Arrives Saturday, Nov 7
Order within 4 hours and 57 minutes

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At a glance

Condition
New
Size
King
Material
Polyester
Special Feature
Cooling
Closure Type
Pull On
Age Range Description
Adult
Water Resistance Level
Waterproof
In the box
Mattress Protector

Description

The mattress pad's SIJO CLIMA lining is infused with innovative phase-changing microcapsules that regulate your body temperature throughout the night. Our tech absorbs excess heat when you’re warm and releases it when your body cools down, maintaining an optimal sleeping temperature in all seasons. Imagine a noiseless, waterproof layer that protects your mattress from spills, sweat, and other moisture. Unlike many waterproof layers that can feel stiff or crinkly, this one is designed to be quiet and flexible, ensuring it doesn’t disturb your sleep. Plus, this fits deep pocket mattresses. The top layer of the mattress pad is crafted from a blend of Mica Nylon and TENCEL renowned for its incredible softness and moisture-wicking properties. It's instantly cooling & works to actively draw heat and moisture away from your body, keeping you dry and comfortable. Our Mattress Pad is a 3-time Good Housekeeping Best of Bedding Award Winner and features Oeko-Tex 100 Certification, meaning it is certified free from harmful substances; safe for you and your family.

Specs 14

Brand Sijo
Size King
Special Feature Cooling
Closure Type Pull On
Product Care Instructions Machine Wash
Brand Name Sijo
Age Range Description Adult
UPC 810032129453

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

Cooling mattress pad
Size: Queen
Helps with the hot flashes of menopause
Reviewed in the United States on July 15, 2026 by SJ
It works!
Size: King
It really works! I have been pleasantly surprised at how this pad really keeps one cool. The one I replaced is totally inadequate compared to the Sijo.
Reviewed in the United States on July 4, 2025 by Hoffmann
Nice bedpad - sort of cooling
Size: Queen
Not as cool as they make it out, but it is an excellent bed pad that stays in place and softens the buttons on newer mattresses.
Reviewed in the United States on May 31, 2026 by TeddyL
I returned this item
Size: King
I returned this item due to the pad sliding around under us when we moved in bed.
Reviewed in the United States on January 12, 2026 by A.R.
It's ok
Size: Full
Didn't notice much of a temperature change. It is comfortable, easy to install. It does move slightly but not as much as others posted. But perhaps they move more in their sleep. I haven't spilled anything on it to test waterproof. Others mentioned it makes noise when moving. Didn't notice much of a noise. But again could vary from person to person. ... show more
Reviewed in the United States on July 3, 2026 by Random 4826
Good!
Size: California King
Used on our spare bed - love the protection feature and my visitors have commented on the comfort.
Reviewed in the United States on January 27, 2025 by Kathryn Hennessy
Good product
Size: King
Excellent fit easy to make the bed
Reviewed in the United States on March 1, 2025 by Jidge
Shockingly great mattress pad!
Size: King
So my original king mattress pad finally started to fall apart after10 years. I know it should have been replaced a long time ago, but I try to get every drop of use out of an Item before discarding it. So I went on the hunt for a new one. I live in Southern Arizona, where we don’t complain about how hot it is until it’s at least 115°. So having a mattress pad that’s not only waterproof (think grandchildren), but needs to stay cool. In my experience, waterproof and hot tend to go hand in hand. Also, I’ve never paid this much for a mattress pad, but I’m sick of sweating through hot summer nights. Our summer nighttime temperatures can be as high as 104° here, so a hot mattress and/or mattress pad is sheer misery. So I decided to take a chance on something that had no reviews posted here. It was very well packaged and when I opened the bag, I was immediately impressed. It is so silky without being slick, with no crinkling or crackling noise. It is nicely padded without being thick or heavy. It fits beautifully on my 18” pillow top mattress. The skirt has an elastic edge all the way around, so no slipping off of the corners. For the real test - heat. Amazingly, it does what it says - it does not retain heat like many others I’ve tried. There is still a little body warmth but that’s to be expected. Here is a hint. Don’t buy sheets that are microfiber or contain manmade fibers like polyester. They are hot. Stick to natural fibers like cotton, bamboo, etc. Overall this pad dissipates the heat very well. I won’t know about keeping me warm in the winter for several months and I will update then. For now, I am extremely happy with this purchase, it’s worth every penny. If things change I will post an update. For now I definitely recommend this mattress pad. ... show more
Reviewed in the United States on August 9, 2022 by AZCookin
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