Plus-Size Wire-Free Support Bras | Underoutfit
180-day at-home trial · Free U.S. returns and exchanges
Underoutfit model wearing a wire-free support bra
One size label should not mean one support story.Compare four wire-free builds by neckline, structure, coverage, and everyday shaping.

Plus-size wire-free bras · Select styles up to 4X

Plus-size support. Built for more than one kind of fit.

Start with the result you want—not a generic promise. These four wire-free bras use different construction for lower necklines, structured lift, fuller containment, and everyday shaping.

Four product-specific fits. One 180-day at-home trial for eligible U.S. orders.
Up to 4XExact range shown for every featured style
Four buildsChoose by neckline, lift, coverage, or shaping
No underwireSupport comes from garment construction
180-day trialEligible U.S. orders, worn and washed

Choose by the result you want

Plus-size is a range. Support is a preference.

Pick the fit problem you want to solve first. The matching product will be highlighted below, while every card keeps its own verified size range and construction story.

Sand 460 Perfect Neckline BraLower neckline

Flexible lift

460 Perfect Neckline Bra

$60S–4X · Sand

A lower-neckline wire-free build with natural shaping and several ways to tune the fit.

  • Lightly lined, permanently sewn-in cups
  • Knitted front cradle
  • Adjustable straps
  • Four-row hook-and-eye closure
Shop the 460
Woman wearing the black 467 Infinite Support BraStructured lift

Most structured

467 Infinite Support Bra

$62S–4X · Black

A more structured wire-free starting point when lift and molded shaping matter most.

  • 3D molded foam cups
  • Cushioned adjustable straps
  • Enhanced seamless band
  • Extender included
Shop the 467
Model wearing the 454 Full Coverage Comfort BraFuller coverage

Most containment

454 Full Coverage Comfort Bra

$42S–3X · Sand

A fuller-coverage build when center and side containment matter more than a lower neckline.

  • Higher center and side coverage
  • Permanently sewn-in lightly lined cups
  • Front-adjustable straps
  • No-roll knitted power band
Shop the 454
Model wearing the Sand 459 Comfort Shaping BraEveryday shaping

Softer support

459 Comfort Shaping Bra

$42.99S–4X · Sand

A seamless everyday option with a knitted cradle and adjustable fit at the straps and back.

  • Permanently sewn-in pads
  • Seamless knitted cradle
  • Front-and-back adjustable straps
  • Four-row hook-and-eye closure
Shop the 459

At-a-glance comparison

Same wire-free premise. Different support decisions.

Use this comparison to narrow the choice, then confirm current sizing and availability on the exact product page.

BraPriceSizesConstructionBest starting point
460 Perfect Neckline$60S–4XSewn-in cups; knitted cradle; adjustable straps and backLower necklines with flexible lift
467 Infinite Support$62S–4X3D molded cups; cushioned straps; enhanced bandThe most structured lift
454 Full Coverage$42S–3XHigher center/sides; power band; front-adjustable strapsFuller center and side containment
459 Comfort Shaping$42.99S–4XSewn-in pads; knitted cradle; adjustable straps and backSeamless everyday shaping

Why one bra cannot solve everything

Plus-size support is more than adding fabric.

Cup structure, strap adjustment, side coverage, and band design perform different jobs. The right starting point depends on which job matters most to you.

01 · ShapeCup constructionMolded cups create stronger structure; sewn-in lining offers a softer profile.
02 · PositionStrap adjustmentFront, back, or fully adjustable straps change how precisely you can tune lift.
03 · ContainCenter and sidesHigher coverage can reduce the fit friction that comes from a lower-cut silhouette.
04 · AnchorBand and closurePower bands, enhanced hems, extenders, and four-row closures tune stability differently.
“Fit isn’t what feels right in a changing room. It’s what feels right at hour eight of a Tuesday.”

Underoutfit design standard · Official About page

The size question

S–4X is not a universal bra-size translation.

Each product has its own construction and current size guidance. Use the exact product page for the conversion, then tune the fit using that bra’s straps, closure, band, or included extender.

Choose in this order

Outcome first. Product second. Size third.

  1. OutcomeChoose lower neckline, structured lift, fuller coverage, or everyday shaping.
  2. ProductReview the matching construction and exact size range.
  3. SizeUse the current product-page guidance rather than a generic conversion chart.

Check it at home

Test the job you bought it to do.

  1. LeanDoes the neckline and cup stay contained?
  2. ReachDoes the band remain anchored?
  3. WearDoes the support still feel right under your real clothes later in the day?

180 days at home

The fitting room is not the final test.

Try the chosen build while sitting, reaching, walking, and moving through the day you actually have.

Worn and washedEligible items may be tried through normal at-home wear.
Returns or exchangesCurrent policy offers free options for eligible U.S. customers.
Change the sizeExchange if the first size does not match the intended fit.
Change the buildUse the four-product comparison if the support job was the wrong one.

Policy exclusions, free-gift treatment, and original shipping-charge terms may apply. Confirm current eligibility before purchase.

Before you choose

Questions about the plus-size assortment.

Which featured bras go up to 4X?

The 460 Perfect Neckline, 467 Infinite Support, and 459 Comfort Shaping bras are presented here in S–4X. The 454 Full Coverage Comfort Bra is presented in S–3X. Confirm current availability on each product page.

Which bra is the most structured?

Start with the 467 Infinite Support Bra. It uses 3D molded cups, cushioned adjustable straps, an enhanced seamless band, and an included extender.

Which bra offers the most coverage?

Start with the 454 Full Coverage Comfort Bra. It has higher center and side coverage, a wider closure, sewn-in lightly lined cups, front-adjustable straps, and a knitted power band.

Which bra works with a lower neckline?

Start with the 460 Perfect Neckline Bra. It combines a lower neckline with lightly lined sewn-in cups, a knitted front cradle, adjustable straps, and four rows of back adjustment.

Which bra is best for everyday shaping?

Start with the 459 Comfort Shaping Bra for seamless shaping, a knitted cradle, sewn-in pads, front-and-back adjustable straps, and four rows of back adjustment.

Can I wear and wash it during the trial?

Underoutfit’s current returns page says eligible items may be worn and washed during the 180-day trial. Confirm current product and policy eligibility at purchase.

How do I convert my band-and-cup size?

Use the current guidance on the exact product page. This review preview intentionally does not invent a universal band-and-cup to S–4X conversion.

Choose the support job first

There is more than one way to build a plus-size bra.

Compare the four wire-free constructions, choose the result that matters most, and confirm current size guidance on the exact product page.

Select styles up to 4X · Current product and policy terms may change