>>1459338This could probably be altered to look like that. I just used search terms "red jumpsuit or red flight suit". However this find isn't a jumpsuit.
https://accosplay.com/products/land-of-the-giants-red-uniform-steve-burton-flight-jacket-cosplay-costumes-accosplayI dont think most people are going to care that your obscure anime character cosplay isnt 100% authentic looking.