Knowledge lab SafeSleep products Mattress packs Mattress + 3D Protector How thick is the AeroSleep mattress? The thickness varies depending on the type of mattress and the chosen dimensions. Take a look at the products in our shop Did you know? Which AeroSleep mattress should I choose? What is an AeroSleep mattress protector? How do I make an AeroSleep bed? Why is an AeroSleep fitted sheet safer than a cotton fitted sheet?