Club Penguin gave a code where you can get the unlocked green jacket for free without purchasing a coin code for it.
Step 1. Click the “Unlock Items Online” button when you log in and get to the servers.
Step 2. When you click it, click “I have a code” and enter the code.
D23EXP11 in the box.
Step 3. Click DONE and then you will have the unlocked green jacket!