A niche product popular with pro athletes and the super-tall, mega mattresses are now finding a wider audience.

To find the best king-size mattresses, we tested over a 100 beds. But there are more top-notch picks to consider, from memory foam and organic options to hybrids that offer softness and support.

Many top-rated brands offer a split king-size mattress option, and you’re often able to bundle a new mattress with an adjustable bed frame for a good value. Continue on below for our top picks ...