This thread is why I've always gotten irritated with "crew shoes" or CC forcing officials to wear the same kind of shoe. Shirts, pants, hats...nothing affects your comfort quite like a shoe. Crews should always have an open policy for footwear because it eliminates the problem of officials in pain or uncomfortable and missing a call on the field.
That being said, last year, I wore nike zoom turf trainers. Most comfy shoe I've worn in my life. It was like running on pillows