i just use some generic sneakers for walks (which i use everywhere else for that matter) but i'm guessing i can do a substantial favor for my feet & overall comfort by getting some "proper" shoes/soles. what should you look for?

speaking of which, is picrel a meme? if slipping something like that inside your shoes instantly improves feet ergonomics then it should be a no-brainer right? or should you maybe focus more on the shoes themselves