Source: BFFC
We at the Boba Fett Fan Club are good friends with Mark Austin, who portrayed Boba Fett in the Star Wars: A New Hope: Special Edition. Learn more about how this Boba Fett fan ended up wearing the costume multiple times, how he modeled for the POTF2 action figure, and why the iconic shoulder pads were on the opposite sides when they filmed the Docking Bay 94 shots.
https://www.youtube.com/watch?v=CGvJSiaIHBs