First of all, these will fool everyone everywhere. And they fit pretty well, especially just out of the wash. I am usually a size 0 to 3, and the small fit very well. They could easily fit up to about a size 6 or even 8 and look even better on a fuller figure. They do begin to sag a bit in the knees and butt, but it's honestly not too bad even after several wearings. The other flaw is that they don't have any elastic inside the waistband. So they don't fit as well as the real Pajama Jeans. Lastly, the fabric is pretty synthetic, whereas Pajama Jeans are more comfortable because they are mostly cotton. But all in all, these are a respectable pair of pants that I have even worn to the office, and the price can't be beat. THANK YOU, I love that such a thing as pajama jeans exist.