Self-Inflating: It does not require a pump to inflate, but it inflates on its own by 90% as soon as the air valve is opened, while you will need to add a little air with your mouth. Its thickness ranges from 2 to 8cm and provides very good insulation on cold ground.
Foam: Suitable for basic use without risk of damage. However, it takes up quite a lot of space.
Inflatable: It offers good insulation and comfort, but it is a bit heavier compared to other types, and care is needed to avoid punctures.