1. The Band Test

The band should sit straight and level across your back — not riding up.

You should only be able to pull it away from your body about two inches. If it stretches much farther, it’s too loose. If it feels suffocating, it’s too tight.

Fun fact: The band provides most of the support — not the straps.

2. Cup Clues

If you’re experiencing:

• Spillage over the top
• Underwire digging into breast tissue
• Side bulging

Your cup is likely too small.

On the flip side:

• Gapping
• Wrinkling
• Sagging fabric

May mean the cup is too large.

3. Strap Misconceptions

Many people think straps do the heavy lifting. They don’t.

If your straps are digging painfully into your shoulders, it usually means your band isn’t supportive enough. The band and cups should carry most of the weight.

The Part Most People Get Wrong About Sizing

One of the biggest takeaways from Kenzie’s video is something many people don’t realize:

Cup size changes with band size.

If you go down in band size, you typically go up in cup size to maintain volume. This concept — known as “sister sizing” — is often misunderstood.

For example: