Size 38AA T-Shirt Bras That Smooth Out and Stay Hidden

Getting a t-shirt bra to disappear at a 38AA requires two things to work in tandem: a cup with accurate shallow depth and a band that lies completely flat against the body. Most t-shirt bras in a 38 band are molded for C cups and above — the industry assumption being that a wider band corresponds to greater cup volume. The result for a 38AA shopper is a cup that projects forward, gaps at the top, and creates visible shape under a fitted top rather than eliminating it. Some women in this situation are advised to size into a larger cup for a smoother finish, which solves nothing and introduces new fit problems. The actual solution is a style where the molded cup is built for a genuinely shallow bust contour, the band lies flat along its full width without rolling or ridging, and the overall silhouette reads as clean and even under clothing from every angle.

A Smooth Result Starts With the Right Construction

At The Bra Diva, we know that a t-shirt bra's job is to vanish — and we select every style in our 38AA collection with that standard in mind. Each option here has been chosen for shallow cup accuracy, a flat-lying band, and a finish that holds up under close-fitting tops and dresses. Our Cherry Hill, NJ boutique has been fitting customers across the full band and cup spectrum since 1987, and we take the same care with a 38AA as with any other size we stock. Use our online size guides if you're confirming your fit, particularly if you've been told to size up in the cup to compensate for gaping.

Looking for a nearby size? Check out our T-Shirt Bras in other sizes: Size 38A T-Shirt Bras, Size 38B T-Shirt Bras, Size 36AA T-Shirt Bras, Size 40AA T-Shirt Bras.

Not sure if 38AA is your correct size? Use our T-Shirt Bra size chart →