I'm in the process of doing a soleswap. I did it using hot water, but looking back I would have rather used aceton. Namely because the upper shrank a tiny bit, plus the Icarus didn't come apart as easily as I hoped.
I have the silver fk court classics. Didnt like them at first, but are my go-to summer shoes now. Sort of glad it's an overlooked model and you don't see them everywhere.
I'm contemplating wether to go with the Aliexpress OG gumsole or that Nikelab version. Ordered the Latex x Kardashian collab for the missus in the meantime. Plug told me shape and materials are on point.
These are F&F afaik