I was thinking more so it was shocking due to his shoulders not seeming wide enough for that size. But now that you mention the sleeves... LUCKILY the sleeves on my jacket fall down to where the end of the cuff lays directly above the first set of knuckles on my hand. So I might be able to get away with slicing them off and not losing too much of the sleeve.
Honestly, I am hesitant about cutting into the actual jacket because I don’t want the sleeves too short. If I have to, I might cut through the middle of the cuff instead. I mean, it won't be like anyone can tell due to the tapestries.
Ultimately, I'll find the gloves I want, try them on with the jacket, and decide from there how much to slice off. Don't want to do anything too drastic before I'm ready.
My base jacket is below. Though it isn’t the 80’s style, it’ll do for mine.