How can a casual pair of denims be so effortless yet so sexy. It's not the first time you notice a nice ass in a pair of jeans. Or is it the denim that makes that ass look so good. Look at those creases all around that butt. Denim fabric is great to bring out the best of a shapely ass. Denim holds, supports and makes that ass look too good. So good, you are feeling too weak for that denim ass...