Embroider the design as a patch and heat press or hand stitch them on.
I had thought about that but wasn't sure of how long it would last on one of those suits. He said it only had to last 3 months but I don't want to put something on there that will come off easily. If it is sewn on that would void the heat protection as well, correct?Embroider the design as a patch and heat press or hand stitch them on.