How much skin is too much when dressing for work in the summer heat? Fashion experts recommend not wearing a strapless dress in the office, unless you add a sweater. Light, breathable fabrics, such as cottons and linens, can help you stay cool. Dawn Del Russo of Bloomingdale’s told Inside Edition silky tops are perfect, as they are loose and don’t feel too tight on the body. For more conservative settings, she recommends wearing a blazer over a spaghetti strap dress.