Size 38A Sports Bras with a Broad Band and Cup Support That Actually Fits

The 38 band brings real anchoring width to a sports bra — more surface area gripping the body means more stability under high-impact movement. At an A cup, compression-style construction can perform adequately for lower-intensity activity, but it still falls short of what a properly shaped cup delivers during sustained high-impact sessions. The issue is cup depth: activewear cut for an A cup at a 38 band is often designed with slightly more volume than needed, producing a finish that shifts under a workout top. A sports bra that performs well at this size uses a cup profile that matches the actual A-cup contour, firm underband elastic that maintains grip through a full session, and moisture-wicking, shape-retaining fabric throughout. The wide band does its job reliably — the cup needs to do the same.

Performance Fit Across Every Band and Cup Combination

At The Bra Diva, we stock sports bras across a wide size range and apply the same curation standard at every point in it. Every style in our 38A collection has been selected for cup accuracy, band performance, and real high-impact wearability — not simply because the label reads 38A. Our Cherry Hill, NJ boutique has been fitting active customers since 1987, and we understand that a well-fitting sports bra at any size makes an immediate difference to comfort and performance. Use our online size guides before ordering, and reach out if you're working out whether to size up or down in the band for a particular style.

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

Not sure if 38A is your correct size? Use our Sports Bra size chart →