The best choise to be classy, comfortable and stylish is an overall. This one specifically is the best one I found. Choose an overall in black- so it can be an easy piece that will match with everything- and in a wide line.
I chose to wear it with suede boots and handmade golden necklace straight from Santorini.
BSB overall, Nina Morena boots (old), Seiko watch, Handmade necklace