Because memory foam reacts differently to different temperatures and body weights, you won't truly know if it works for you until you sleep on it for a few weeks. Look for a brand that offers at least a and a 10-year warranty that specifically covers "sagging" or permanent indentations.
Foam with larger "pores" to allow for better airflow. what to know when buying a memory foam mattress
Beads or layers designed to dissipate heat. Beads or layers designed to dissipate heat
Generally cheaper and softer, but may sag sooner. Density is measured in pounds per cubic foot
Not all memory foam is created equal. Density is measured in pounds per cubic foot (PCF) and is the biggest indicator of quality and durability.
Usually need a softer feel to cushion shoulders and hips.
To help me narrow down the best options for you, let me know: What is your ? Do you generally sleep hot or cold? What is your approximate budget ?