Below is another example of a  wavy medium to long men's hair style.  There is long layering  in this hair style.  The layers start at about nose level and go down to the ends.  The hair is naturally wavy.

In order to get the hair style to lay properly you must first have the right hair cut.  Layering the hair is extremely important when it comes to wavy, curly or very thick hair.   Sometimes the hair needs to be thinned out to get it to lay just right.