Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. Rachel Brosnahan may have just referenced one of the most stylish ...

Preppy fashion, though classic, is constantly evolving. Whether it's the rugby shirts and denim of the '50s, the button-downs and blazers of the '80s, or '90s pleats and slacks, this aesthetic ...