Cal-King Mattress Toppers
72x84 inches
Viscosoft’s Cal-King mattress toppers are designed to meet your needs. They provide a soluton for tired mattresses, too firm mattresses, and back pain relief.
Free shipping, easy returns & a 90-day guarantee.
reviews from customers like you
see what people are saying
Excellent decision to pay extra
Excellent decision to pay extra for total comfort! We bought a pull out couch for the office for an extra bed. Our guests slept like a dream. They said the mattress topper felt like another full mattress. Size perfect for our full/queen pull out. Highly recommend!
A+ Mattress Topper
I purchased 2 of the Select High Density Mattress Toppers 1 for our RV bed and 1 for our master bedroom bed. I am very pleased with the way it is made. I absolutely love it, I was always in pain until I got these I now get a good night's sleep and would not hesitate to order from this company again. Highly RecomRead more about review stating A+ Mattress Toppermend them for your sleeping needs.
Relief during bed rest
I have been injured and bed bound for several months. When I formed a divot in my bed I ordered this topper. As soon as we put it over our mattress it was such. Relief! It’s hard to explain but it adds a level of comfort you don’t sink into but is soft as a cloud. We have both slept better! Thank you for such a Read more about review stating Relief during bed restgreat product! The description on the website was straight up honest!
Great Mattress Topper
This mattress topper is fantastic! I no longer toss and turn during the night due to those little aches and pains that come with arthritis and getting older. When I get up in the morning I am not sore all over. I highly recommend this mattress Read more about review stating Great Mattress Toppertopper.
Comfortable and well made
The topper is well made and fits the bed (queen size) perfectly. It is very comfortable; the recipient says it is best sleep they've had in years.
Side sleeper fix
I’m a side sleeper and started having hip pain at night. When I started sleeping on this topper, the pain went away.
Absolutely love this topper. I
Absolutely love this topper. I have significant arthritis in my hips and this topper helps me sleep through the night without discomfort.
high density mattress topper is da bomb.
The high density mattress topper is a must have for college, because the dorm mattresses are always hit and miss and are specifically designed to be heat magnets. With the topper, my dorm bed is more comfoRead more about review stating high density mattress topper is da bomb.rtable than my bed at home.
Our Cal-King Best Sellers
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Select High Density
![Best for extra support. Photo of a thick white and blue topper fitted to a mattress with white elastic adjustable straps.]()
![Best for extra support. Photo of a thick white and blue topper fitted to a mattress with white elastic adjustable straps.]()
Our Cal-King high-density memory foam mattress topper is more durable than comparable foams, feels plush & pushes back with resilient support after your body settles.
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Hybrid Lux
![Best for plush comfort. Photo of a plush quilted white mattress topper fitted to a mattress with a full elastic skirt.]()
![Best for plush comfort. Photo of a plush quilted white mattress topper fitted to a mattress with a full elastic skirt.]()
The best of both worlds. This Cal-King mattress topper balances the support of memory foam with the plush comfort of a down alternative pillow top cover.
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Active Cooling
![Best for cooling relief. Photo of a thick white mattress topper with black elastic adjustable straps.]()
![Best for cooling relief. Photo of a thick white mattress topper with black elastic adjustable straps.]()
This Cal-King mattress topper is built with copper-infused foam & a cover made with phase-changing yarns to help you sleep cool throughout the night.
The Cal-King Mattress Topper
Extra room in all directions
Cal-King (California King) is a great size for those looking for that extra room that a King sized bed provides but adds extra vertical length so you have some extra room at your feet. Perfect for people who are tall or people who have pets that just love to hog the area at the foot of the bed.
Wide variety of toppers
We've got something for everybody
We have a wide selection of Cal-King sized mattress toppers, including high-density memory foam for pain relief, dual-layered pillow-top & memory foam for plush comfort, and copper-infused foam for cooling relief.
All of our Cal-King mattress toppers have a 90-day guarantee, fast & free shipping, and hassle-free returns.
Not the size you need?
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Our mattress toppers are also available in the following sizes: