The Serta Comfort Zone Memory Foam Mattress Topper is quite thin at only 1.5 inches ... with just the right amount of cushioning to improve a too-firm mattress. On the other hand, critics say ...

If you're on a budget looking for a quality bed with support coils, your options can be quite limited. Luckily, beds like the Serta Classic exist. Here's why we think you'll love it.

Saatva designed this medium-firm topper to add pressure relief ... For example, the Serta Comfort Zone Memory Foam Mattress Topper is also 1.5 inches high but you can buy it for less than $60 ...