Every woman needs these three essential shirt styles in her wardrobe: the white shirt, denim shirt, and plaid shirt. Discover how to style them and why they’re timeless staples for effortless, everyday fashion. In the ever-evolving world of fashion, where trends come and go like the seasons, there are a few wardrobe staples that never lose their charm, or their styling power. When it comes to building a functional and fashionable wardrobe, the right shirts can become your go-to foundation pieces. Among the most essential styles are the classic white shirt, the ruggedly cool denim shirt, and the effortlessly casual plaid shirt.