The requirements are steep.
It must come in different widths, to suit the neaderthal geek and the anorexic geek. It must never change, so one can order a new version of the same shoe online every 2-4 years. It must be suited to bicycle pedals, frisbee toss, walking the dog, work and lounging. It ought to be very plain, but have highly reflective materials for night time safety. Did I mention it must never change?
There's really only one choice. The New Balance 991. Astoundingly, still made in the USA (by prisoners? illegal aliens?). Worn by Steve Jobs. They made some minor cosmetic changes 4-5 years ago and haven't modified it since (the outcry must have been terrible).
My last pair still worked, but it was getting extremely shabby. It took a few minutes online to get the new ones, which fit exactly the same way the old ones did. The only delay was looking for a C width, but (alas) nowadays they only come in B, D, 2E and 4E. I stuck with my B width, which works very well. The size range is quite impressive:
New Balance:You know you're a geek when you mail order the same running shoe every 3 years. I intend to be cremated (recycled?) in a pair.