Last week when I was visiting my mom, we made a couple pairs of these cowboy chaps. My mom had made some for my brothers when they were younger, so we used the old pair as a pattern. They were really easy to make (but they were a little bit time consuming). All you need is 1 yard of medium weight vinyl (This will make 2 pairs: size 3-4), two snaps, and old belt buckle, 1/2 of a leather shoe lace and thread. I figured we made each pair for under 5 dollars. Not bad. Aren't they cute? I haven't had anyone model them yet, because I may be using them for a birthday.
I also added a little fringe to the back of mine: