one-piece is an item that can be quickly coordinated with just one piece and is great for busy morning hours. But you may be wondering what kind of one-piece to choose for work. This dress is a reliable piece of clothing that you should have in your wardrobe that doesn't look too fuzzy and doesn't show too much body line, and has a good fit and a flared silhouette that makes you look neat. The belt mark gives it a crisp and neat look. Navy doesn't become too heavy as black, giving it a calm and intelligent look.