Shirt, tie, formal shoes and decent trousers.
Suited n booted
You should wear clean smart casual clothing, black trousers and a pair of black shoes.
Clean and tidy no trainers
What you should wear to every interview, smart, clean, tidy and no trainers.
This is good advice to people that has a interview, to set a good impression to the manager, when going for a interview.
I would wear a shirt,tie,pants and shiny shoes