Longline Bras

Longline bras extend below the underbust band, providing additional torso support, a smoother silhouette under clothing, and — at larger cup sizes — useful distribution of support across a wider surface area.

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A longline bra extends below the conventional underbust band, typically by 5–15 centimetres, covering the lower ribcage and sometimes reaching toward the waist. This extended body provides a wider surface area over which the band can distribute support — useful at larger cup sizes where concentrating all the support load on a narrow 2–3 centimetre band creates pressure points. It also smooths the torso under fitted clothing, particularly under tailored tops and strapless garments where the back panel is visible.

When a longline works better than a standard bra

Longline bras are worth considering for strapless occasion wear where the extended back panel helps keep the bra stable throughout the day. They're also useful for women who find standard bra bands create discomfort at the underbust due to the concentrated pressure — the wider band distributes load more evenly. Under tight-fitting clothing, a longline can also smooth the silhouette between the underbust and the waist in a way a standard bra doesn't.

Fit note: longline bras typically have more hook-and-eye columns than standard bras — three or four columns of hooks over the extended back panel rather than two. This provides more adjustment range as the band relaxes and wears in. A longline should feel snug on the tightest hook when new.

Strapless longlines

For occasions requiring a strapless garment, a longline strapless bra provides more stability than a standard strapless — the extended panel gives the bra more to grip with silicone lining, and the additional contact area reduces rolling and riding down. Browse all strapless bras for styles with and without the longline extension. See also multiway bras for convertible options.