Very comfortable and a great deal for the price! Give it a day - it'll look pretty squished when you unravel it but it expands quickly. However, don't get too eager. It really needs a night to expand before putting sheets over it because it will get more firm. Got the full size and it fits perfectly over a full size mattress. Mine did not have an odor to it although I'm sure that would air out with a day or too if yours does.