Some lingerie is too pretty to hide, but its open weave could be a tad risque under sheer clothing. Unbutton your blouse just enough to show a hint of the material, or select a model with opaque cups.
Polyamide-elastane and lace, Lou, $89; 212-205-3454 for stores.
Silk-polyamide and lace, Obsidian by Elle MacPherson Intimates, $85; net-a-porter.com
Lace and tulle, Cosabella, $104; shop.cosabella.com