According to intimate apparel expert, Dora Lau, t-shirt bras changed how we build bras. "Before, every bra had seams and were visible under smooth fabrics. T-shirt bras are made with a molded pad and molded fabric so it’s very smooth, and it has a wire for support." When picking out the right t-shirt bra for you, Lau says to first, examine the shape of the cup. You want to see that there is enough depth so that it allows the breast to fall into the cup without compressing it. Use your hands and stretch the cup, noticing the amount of stretch–too much and you won’t get enough support. Additionally, the wire is another big function of the support and should fall right under the breast. Straps should have some stretch, but it should be controlled stretch. And, a good t-shirt bra will also have at least 3 rows of hooks and eyes for adequate adjustability.

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Scroll down to find the perfect barely-there t-shirt bra to add to your collection.

1.Lively The T-Shirt Bra, $35

Coming in 8 different color ways to suit any style, this MVP t-shirt bra is soft but supportive, flattering yet functional, and is the perfect every day go-to grab, ideal for all breast shapes and sizes.

Shop now: Lively The T-Shirt Bra, $35

2. CUUP Triangle Bra, $68

Instagram favorite bra brand, CUUP, does not disappoint when it comes to their t-shirt style. Known for their sexy, mesh numbers, this lightly-lined option features minimal teardrop-shaped cups for support and flexibility, but not too much padding. The buttery soft fabric also lends to the barely-there feel.

Shop now: CUUP Triangle Bra, $68

3. Cosabella Evolution Demi Bra, $75

With four levels of hook and eye closures on the back for ultimate adjustability, this demi bra is a t-shirt bra classic. The padded cups, smooth microfiber fabric, and clean stitching keep the bra nearly invisible under even the tightest of tees.

Shop now: Cosabella Evolution Demi Bra, $75

4. Pepper Mesh All You Bra, $49

Are you a proud member of the Itty Bitty Bitty Committee? If so, Pepper makes bras just for you. Specifically designed for AA, A, and B cups, this brand bestseller is ultra-flattering (read: no annoying bra gaps), and made to suit those with smaller boobs, because a cute bra shouldn't discriminate.

Shop now: Pepper Mesh All You Bra, $49

5. Savage x Fenty T-Shirt Bra, $45

When it comes to versatile but sexy lingerie, Rihanna can do no wrong. This t-shirt bra comes in a whole host of sizes ranging from A to H, so everyone can experience the comfort first hand. The buttery soft cups are made with a moldable foam, so they will shape to your breast shape as you wear them.

Shop now: Savage x Fenty T-Shirt Bra, $45

6. Skims Fits Everybody T-Shirt Bra, $48

With 9 different shades to match every skin tone. This Skims t-shirt bra is the perfect answer to a sheer, white tee. The bra sports  full coverage with light padding, with an underwire that is specifically designed to hug your natural shape and flatter your bust.

Shop now: Skims Fits Everybody T-Shirt Bra, $48

7. Knix WingWoman Contour Bra, $60

Wires just not for you? This wireless option from Knix boasts the barely-there-under-a-tee qualities of the other bras on the list, but also a plunging neckline and molding foam cups for increased comfort and no mid-day adjusting.

Shop now: Knix WingWoman Contour Bra, $60

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