Rolling is not the same as riding up

Riding up is when the whole band sits higher at the back than at the front. Rolling is when the edge of the band curls or folds over on itself, usually at the bottom, at the sides or under the bust. They can happen together, and the causes overlap. If your band rides up, start with why your bra rides up at the back.

The causes

The band is too narrow

A narrow band under tension behaves like an elastic band on a soft surface: it finds the narrowest point and curls. Bands with one or two hooks roll far more readily than those with three or four. This is the most common reason on a softer torso and with larger cup sizes.

The band is too tight

A band that is too small digs into soft tissue, which then pushes the edges over. Check with the two-finger test. If you cannot slide two flat fingers under the band on the loosest hook, go up a band and down a cup.

The band is too loose

A loose band moves as you move. Each time it slides up and is pulled back down, the lower edge can fold. If the band passes easily over more than two fingers, go down a band and up a cup.

Your torso shape

If your ribcage narrows sharply below the bust, or you have a short distance between bust and waist, the bottom edge of the band sits on a slope and is pushed upward when you sit or bend.

The elastic has gone

Worn elastic loses its flat recovery and curls. If the band used to lie flat and no longer does, the bra is at the end of its life. See how often to replace your bras.

The side boning has failed or is missing

Many bras have a short flexible bone in each side seam to keep the band at full height. If it has snapped, twisted or was never there, the side of the band can collapse.

What to look for in a band that stays flat

Test it properly

Rolling rarely shows while you stand still. In the fitting room, sit down, lean forward as if at a desk, and twist. If the band stays flat through that, it will stay flat through the day. For what a correctly tensioned band feels like, see how tight a bra band should be.

Frequently asked questions

Why does my bra band roll up at the bottom?

The band is being pushed by soft tissue or pulled out of line. The usual reasons are a band that is too narrow for the tension on it, a band that is too tight or too loose, or elastic that has worn out.

Does a rolling band mean my bra is too small?

Sometimes, but not always. A band that is too loose rides up and can fold as it moves, and a narrow band can roll on a soft torso in the correct size. Check the band fit before changing size.

Do longline bras stop rolling?

They often help, because a deeper band spreads the tension. On some torsos the lower edge of a longline rolls instead. Look for one with boning or a firm lower edge, and try it sitting down.

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