I dought very seriously that Festool would care if you got a shirt and had the Festool name/Logo embroidered on it. As long as you DO NOT sell the shirt. Again this would be for Personal use only not for profit.
On the other hand. I'am part of a Corvette club and GM grants us a limited license to use the Corvette logos (Corvette name, flag logo, Z06 logo, and ZR1 logo etc...) on club apparel, documents and the website. We cannot sell to non-members, it is for club use only.
May someone here can get the same kind of license from Festool and make FOG apparel with the Festool name.
just my 2 cents!