Meanwhile plain and simple dresses can be dressed up or down. Try the alternatives suggested above instead. Go too casual on the footwear. Closed toe shoes are usually the best choice for most business situations, and can range from pumps and. 2) you can never go wrong with a collared shirt. Collared clothing is the best because it can take an everyday shirt from casual to fancy. In addition, a pleated skirt always. Linen is the obvious choice for hot summer days — but it’s so hard to find a great pair for work. Here are just some days where you. 13 things you should never wear to work in the summer.