So you’ve bought the suit, you’ve bought the blazer, but unless you’re Gwyneth Paltrow at a movie premiere, you’re gonna need some shirts to wear underneath them.

Inlander says to build up a collection of knitwear — tanks, tees and sweaters that you can wear under blazers and cardigans. Try to get high quality fabric (something above the $5 camis at Forever 21), like Keri Russell is wearing here.