I found my favorite leggings this way and that's how I landed on the Linenspa 2-Inch Gel Infused Memory Foam Mattress Topper too, so I'd say this strategy has a good track record. The best part?

the type of mattress topper you want depends on what you’re trying to achieve — whether it’s to make your mattress feel cushier with a plush layer of foam, down, or fiberfill; add more ...

I included a couple memory-foam toppers that soften as they mold around your body. Mattress toppers are typically between one and five inches thick. Toppers closer to the three- to five-inch range ...