I like tee shirts. Even something simple like block letters across the shoulders. I just request colors like gray, navy or black so it wont look like a greasy rag after I wear it once in the garage.
new bike - BMW R1150GS
old bikes - Ducati ST3 (RIP), BMW R1100R, R75 & R65, Suzuki Bandit 600, Guzzi V65SP, Kawi KLR600, etc.