ViscoSoft's almost always sold-out mattress topper is perfect for making unsupportive beds firmer, which is why I was so pleased to see that it's finally back in stock — and on sale. Right now, you can get up to 40% off the Active Cooling Copper Mattress Topper at ViscoSoft, saving you over $159 on a queen size.
Some of the best mattresses of 2025 contain cooling copper-infused foam, but the ViscoSoft Active Cooling Copper Topper harnesses the antimicrobial power of copper for less.
This 4" memory foam bed topper is one of the best mattress toppers around for adding firmness to unsupportive beds, and I predict it won't be in stock for much longer. Here's why this firm mattress topper is worth getting hold of, and why I'd buy before the Prime Big Deal Days mattress sales.
Why should you buy the ViscoSoft Active Cooling Copper Mattress Topper now?
I've been tracking the price history of the ViscoSoft Active Cooling Copper Mattress Topper for two years now, and I can safely say that the discount on this bed topper never gets better than 25% off. With this in mind, buying now means you won't miss out on a better deal later.
It's also a good idea to buy now as this mattress topper is frequently out of stock, so much so that I've often considered removing it from my buyer's guides. Now that it's back, I strongly suggest you buy it before it sells out again.
Plus, don't expect there to be a better discount on Amazon for Prime Big Deal Days, as this mattress topper is not sold by the retail giant. Which is just as well, as this pre-Prime Big Deal Days offer is one of the best topper and mattress sales I've seen this month.
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