Yes, for running mountain centuries and ultras.
Karl "Speedgoat" Meltzer broke the Appalachian Trail record in them, and whoever was doing marketing then really blew a big bubble with that result.
Trad brands didn't stand a chance against that sole and backstory.
https://thewalkahead.com/2016/09/21/karl-meltzer-crushes-at-...
https://www.outsideonline.com/outdoor-gear/run/clown-shoe-th...