NOOOOO that is NOT THE RIGHT THING TO DO! It is NOT PERIOD CORRECT.
The right thing to do is to save your greenbacks until you have enough for a proper pair of trousers to encase your Rebel hide in. Have your progressive pards recommend a good sutler to you.
The best thing to do is to become a Zouave, you will not believe the freedom of movement the baggy pants afford.
Zou