Your breasts should be fully contained. If there is puckering in the fabric, the cup is too big; if there is "overflow" at the top or sides, the cup is too small. Fabric and Maintenance

These utilize both methods, offering a compression overlay on top of encapsulated cups for maximum stability. The "Perfect Fit" Checklist

Different activities require different levels of breast support to prevent discomfort and tissue damage.

These "hug" the breasts against the chest. They are typically pullover styles best suited for smaller cup sizes or low-to-medium impact.

Size often differs between brands, so always perform these three checks before buying:

You should be able to fit two fingers between the strap and your shoulder. They shouldn't dig in or slip off.

Best for yoga, walking, or Pilates. These usually have thinner straps and lighter fabric.

Essential for running, HIIT, or aerobics. These feature wider straps and reinforced bands to minimize movement. Choose Your Construction Style How a bra is built determines how it manages motion.