Mongrels zip side ankle boots.
Won't come off during bailout/ canopy deployment
Nice and warm at altitude
Comfy cushion sole
No idea what they cost, my employer provides them.
They aren't specifically made for pilots like RM's obviously are, but I have found them durable and comfortable. And inexpensive.
I am sure there are many other shoes and boots that work very well. I had a pair of KMart elastic sided boots that were comfortable and lasted over 5 years, $39.99.
With the money saved I bought a pair of Propet walking shoes that I use when attending aviation events around the world. Very Light weight super comfortable, don't set off metal detectors, and guaranteed for 1000 miles of walking, but, hey they're just shoes FFS, not a frigging lifestyle.
What next,
Best underwear/briefs........ooh ooh I know....Haynes jockey style from Walmart, come in packets of 6, reversible and can be turned inside out for extended deployments so 4 days per pair between resoles, (that's R soles I think) plenty of ballroom, have excellent fart filtering capability and available in all the favourite RM wearing pilot colours, puce, violet, apricot........
Shoot me now!
HD