Other Presidential Suite requests have included a dozen black cashmere turtleneck sweaters at 2 a.m.

WSJ: In the City's Power Suite

And if you are stuck for an evening outfit as the nights grow chillier, don't forget the allure of a simple black cashmere polo-neck with black pants, accessorized with a single long string of pearls.

WSJ: Tina Gaudoin on Style: The Woolly Logic of Winter Wear

And should you wish to up the ante at any point, you could add a pair of sparkly earrings and some heels, or conversely throw a cozy black cashmere sweater over the top for a dog walk or a TV-watching marathon.

WSJ: Tina Gaudoin on Style: Back to Black