If you want your bed to hug you to sleep, this is the memory foam topper to get! It's amazingly thick and has a great density to it as well. It takes a little bit of getting used to but you'll never give it up once you do! Even the dogs sneak away during the day to burrow under the covers now; the bed is so posh! I've had thinner toppers before that I really liked but decided to spring for the 4 incher. Wow, I am really glad that I did! It's very luxurious and yet cozy at the same time. It's like sleeping in a hug, with my comfortor on top; totally yummy on those chilly winter nights!