Graco Premium Foam Crib & Toddler Mattress (Rating 6/10): This mattress was a pretty good contender for the Best Value pick.

Naturepedic’s 2-in-1 Organic Kids Mattress was made for kids transitioning from cribs to their first real bed. The six-layer mattress fits bunk, platform, and trundle beds. The mattress features ...

It was back to the drawing board, and the second time, I came up with the Colgate Eco Classica III. It somehow seemed both firmer and more comfortable than the initial mattress I bought ...