To a Tee

There's nothing more basic than a T-shirt dress—but this one from 3.1 Phillip Lim manages to be as understated as it ought to be and yet still feel incredibly special. The vibrant marigold is so unusual and appealing; it makes me think of India, which is especially welcome now that it's cold out. The cut is forgiving and loose though not baggy—it hangs just close enough to the body to flatter, and since it's made of ramie (a plant-derived cloth with a soft, silky finish) it drapes really well. But best of all is the keyhole slit in the back, which allows just a sliver of skin to peek through for an effect that's flirty but not too revealing. I like the way they've styled it with thick gray stockings in this photo (though I might go a shade darker with the tights for more contrast), and in the summer it'll look great with bare legs and flat strappy sandals.