I think of lingerie as outerwear as occupying four main categories, at least from what I see (and what’s accessible to most women).
You have what I call the basics of lingerie as outerwear, which are items like lace trimmed camisoles. They’re versatile and functional and they look great on a variety of body types under a cardigan or blazer. Gold Hawk, Farr West, HoneyCooler Handmade and Natori all make beautiful, lacy camisoles.
A level up from that, so to speak, you have items like harnesses and bras with strappy details. Harnesses work great layered over tops and dresses, while bras with strappy details look great peeking out from under those same items. My go-to brands for this look include Marlies Dekkers, Playful Promises, Karolina Laskowska, Luxe Zaza and Hopeless Lingerie.
Next, there are pieces like bustiers, longline bras, crop tops and corsets. Many of these pieces work just as well on their own as they do layered with something else. Fortnight and NOE Undergarments design beautiful longlines you don’t have to be afraid to show off, while Angela Friedman and Dottie’s Delights make some beautiful lace corsets that can double as outerwear.
Finally, you can always layer a lace-trimmed slip under a dress or skirt. Some women will even wear a sheer dress with a slip underneath, but if that’s too adventurous, I think a subtle peek of lace is just as good.