February 07, 2018 2 min read

There are many benefits to an underwire swimsuit. Whether it is a one piece, a tankini or a bikini set, an underwire comes in all different styles. An underwire is essentially the wire that sits under your bust providing you with support and shape. It is a great feature to have on a swimsuit and it is sure to shape you well.

Underwire Swimwear

Read through to learn more about how underwire swimwear can benefit you or jump straight to the topic you're interested in. 

Benefits of Underwire

An underwire is a great support for women with a bigger bust. As an underwire is covered by soft fabric, essentially your bust will fill out the swimsuit rather than trying to fit into it. You can find a lot of comfort and support in an underwire within your swimsuit.

An underwire swimsuit also offers a lot of support in regards to holding your bust up. If you have a bigger bust, having an underwire will perk your bust up and shape you well. It will ensure that you bust has more of a natural shape rather than the shape the moulded cups give you.

Bohemian Sunset Ruched Underwire One Piece

Shelf Bra

An alternative to an underwire is a shelf bra and moulded cups. These are great if you are looking for a softer fit and shape but you will fill out an underwire bikini top more. You bust would be more relaxed and free in an underwire bikini top as the wire supports your bust by itself.

Try our frill bikini style for a comfortable shelf bra option that still offers excellent bust support.

Cherry Blossom Frill Bikini and High Waist Pant

Underwire Swimsuit Styles

Our underwire range includes bikinis, tankinis, one pieces and swim dresses. If you need the support of a built-in underwire, we have something to suit you. Our ruched underwire design is available in both tankini and one piece styles in a full range of sizes up to a G cup

Our underwire bikini top is a classic bra style bikini that offers excellent support as it shapes the bust for a flattering cleavage. It is available in plain black and a variety of gorgeous prints. The underwire swim dress is also a beautiful supportive offering for women wanting extra coverage over the hips and bottom. 

Hawaii Blue Ruched Underwire One Piece and Cherry Blossom Underwire Scoop One Piece

Underwire swimwear is one of our most popular swimsuit styles. When you are looking for swimwear but struggle with a bigger bust, look at our underwire swimwear range. With an abundance of colours and styles, there is something for everyone to love. You can find yourself enjoying any beach or pool day in an underwire swimsuit.


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Size guide

All of our swimsuits are true to size. This means you should follow your normal sizing.

The best guide is your underwear - so what you would wear in a bra and undies is the size you order from us in tops and bottoms. For example, in you wear an 18E bra, you should order a size 18 swimsuit top from us.

If you are looking for a one piece and are in between sizes, say an 18E bra and a 20 in underpants, we recommend choosing the larger of the two sizes - so a size 20 in this case.

If you have any issues with your new swimsuit, we do 30 day refunds for full priced items and exchanges for all items - so you can swap to a size or style that is more suitable for you!

International Size Conversions

AUS 8 10 12 14 16 18 20 22 24 26 28 30
USA 4 6 8 10 12 14 16 18 20 22 24 26
CANADA 6 8 10 12 14 16 18 20 22 24 26 28
UK 8 10 12 14 16 18 20 22 24 26 28 30
EUR 34 36 38 40 42 44 46 48 50 52 54 56

Size guide

AU USA CA UK EUR
8 4 6 8 34
10 6 8 10 36
12 8 10 12 38
14 10 12 14 40
16 12 14 16 42
18 14 16 18 44
20 16 18 20 46
22 18 20 22 48
24 20 22 24 50
26 22 24 26 52
28 24 26 28 54
30 26 28 30 56