I usually recommend a memory-foam or latex mattress topper — both of these materials can vary in how soft or firm they are, but they tend to make the most noticeable effect. Memory foam is good ...
If your mattress isn’t ... the Tempur-Adapt topper contains three inches of the brand’s supportive foam, which is more durable than standard memory foam, according to the Tempur-Pedic website.
To put its 9cm depth into context, it’s almost half the depth of my actual mattress. Though the foam is firm, it doesn’t have the problem some memory foam toppers do, which to make it ...