Wear your T-shirt or tech shirts if you want! I am in the process of making all my t-shirts from races (ok only the half and longer races now, but the rest are in pile to cut up) into a quilt because the shirts were just taking way to much space in my drawers and I don't have much chance to wear them anymore. I have a few favorite t-shirts I'll continue to wear but the long sleeve tech shirts from races I almost never wear anymore. If I save 2 I have plenty. The one shirt I don't know what to do with is a long sleeve tech shirt from the first DL half that I never got to run because my DD got married that weekend. I never wear it, and don't want to quilt it. I could donate it but that doesn't really seem right either. So it sits in the drawer- I can wear it for outdoor runs that I'd never take my fleece off for I guess- then no one ever sees the logo on it and it's just a white tech shirt.