King Mattress Toppers
76x80 inches
Viscosoft’s King mattress toppers are constructed with high-quality materials and are Certipur-US certified to deliver hotel-quality comfort.
Free shipping, easy returns & a 90-day guarantee.
King toppers add more comfort
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Expensive mistake
![Piggy bank icon]()
![Piggy bank icon]()
Bought a pricey mattress and decided you don’t actually like the feel, but it’s too late to return it?
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Motion Transfer
![Wineglass icon]()
![Wineglass icon]()
Tired of feeling your partner toss and turn all night and waking you up? Need some motion isolation?
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Overheating
![Snowflake icon]()
![Snowflake icon]()
Do your kids crawl into bed with you in the middle night, causing you to overheat? Need something cooling?
Our 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 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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Serene Hybrid
![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 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 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 King Mattress Topper
Save money with a King
It’s no secret that King size mattresses are pretty pricey, so it makes sense to want to keep it for as long as possible. The budget friendly solution to extending the life of a King size mattress? A King size mattress topper.
A King size mattress topper will not only protect your investment and give it an additional layer of comfort, but it can also extend the lifespan of your mattress.
Wide variety of toppers
We've got something for everybody
We have a wide selection of 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 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: