The Only Wardrobe Checklist You'll Ever Need

The crisp button-down is a borrowed-from-the-boys staple that now has a womanly identity all its own. It's just about the easiest way to pull off a pulled-together look in one easy move, whether you're using yours to top denim or a pencil skirt. Plus, we love that every woman has her own unique way to make this essential all her own.

J.Crew Slim Stretch Perfect Shirt ($42, originally $70)