This is the very reason I love the Achievable Fashion Basic Classic Wardrobe (BCW), if you take the time to build your BCW, you have so much flexibility. Having the essential classic wardrobe pieces give you tons of options and by simply adding one or two seasonal trends you get multiple new looks. Here is a classic button down, although this article from Oprah shows 3 different shirts you can achieve all three looks from your Classic Crisp White Shirt, #3 in the Achievable Fashion Basic Classic Wardrobe.