Corso di Porta Ticinese is a vibrant and bohemian district in Milan. Here you can find plenty of trendy shops as well as many vintage boutiques. My favourite shop here is Surplus, you can always find something interesting there!
It's a nice street also for quick bite at lunch or for aperitivo.
Libreria Verso, is a lovely bookshop which also has a lovely café inside.
The street itself is very picturesque, as it keeps its old charm.