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Bikini Size & Style Guide

Find your Perfect Bikini Fit!

  • Please don't calculate girls sizes by their age.
  • Don't pull the tape too tightly when measuring your body.
  • When measuring your body wear as little clothing as possible.
  • If you are having trouble with deciding on your sizing please contact us and our friendly staff will be happy to advise.
  • Don't compare other brand's sizes - they will be completely different as every brand has their own shape and size.

    Fabrics, Design & Printing


    What happens when you have a long list of goals that all add up to creating the world's most beautiful fashion sports swimwear? The answer might be obvious, but the process wasn't that simple... Years of real-world athlete testing, customer feedback and considered design have shown us a few things. The result is swimwear that is adored the world over by girls who want the perfect mix of form and function that helps them perform and look amazing doing it! 

    Aquadiva uses the most advanced, 100% chlorine-resistant fabrics to provide the best balance between stretch, comfort and a luxurious finish. These fabrics also repel water rather than absorb it, which helps to decrease any drag that slows you down and helps to increase performance.

    Even our printing is high-tech - our state-of-the-art dye-sublimation printing system allows us to create the crisp, colourful and clear designs Aquadiva is famous for. Together, these features combine to create the world's most beautiful fashion sports swimwear and something we are very proud of. We hope you love it just as much as we do! 


    Action Top

    The 'Action' Top is designed for activity with enhanced support and comfort. Running, swimming, gym, yoga, cycling, surfing... you name it and the Action Top can do it well!

    • The neckline is high enough to ensure that your bustline is covered at all times - even in strenuous activity.
    • Wider elastic under the bustline stops the top from riding up.
    • Full coverage keeps the top in place and is particularly good for running - reduces the 'bounce' effect.
    • Girls Action Tops have 10mm straps and Ladies have either 15 or 20mm straps. 
    • Active tops are fantastic for cross training and we recommend them for all girls that have cup sizes up to size 'C'.


    Tank Top

    The 'Tank' top is a modified version of the outstandingly popular Tan Line Free style and offers the following:

    • The neckline is high enough to keep you covered with enough security for activity all while looking fashionable. 
    • 10mm straps over the shoulder for minimal tan lines, with a 20mm strap under the bust for great support and security. 
    • Soft fabric and special design mean no rubbing or discomfort during activity.
    • Recommended for girls with cup size up to 'C'.


    Smooth Tube

    The 'Smooth Tube' is super comfortable and supportive! 

    • The front of the top has invisible stitching for a smooth finish even though it hides very supportive elastic underneath. 
    • 10mm straps over the shoulder for minimal tan lines.
    • A medium neckline for the perfect balance of looks and security.
    • Great for cross training and will support girls who have cup size up to 'B'.


    Triangle Top

    The 'Triangle' tops are very suitable for surfing, playing and training. They combine the ultimate mix of fashion and performance - perfect for resort lounging or ripping an early morning wave!

    • Comfortable elastic shoulder straps offer enough support for activity while being as narrow as possible for minimal tan lines. 
    • The strap under the bust is 20mm wide (the same as the Tank Top) - gives excellent support.
    • Fixed back or the adjustable tie back styles for a custom fit. 
    • We recommend this style for girls with cup sizes up to 'C' if they want maximum coverage. Girls with 'D' + cups could also wear the Large size but will have a cheekier look.

    Tan Line Free Top

    The 'Tan Line Free' top is an Aquadiva original and has been the most popular bikini top in our collection since it was introduced in 2005.

    • Concerned about tan lines? Look no further, this is the top for you!
    • The neckline is a little lower than the Active or Tank top but will still give plenty of coverage for activity of all kinds. 
    • Nothing beats this style for comfort - a lot of girls use it as a soft bra for casual wear underneath their clothes or for activities like yoga and gym. 
    • For total comfort we recommend this style for girls with cup sizes up to 'C'.


    Bustier Top

    The Bustier Top was designed to mix the best features of our 'sports' and 'fashion' swimwear to create a unique look that can be adjusted to suit. 

    • Soft and flexible elastic under the bustline for great support.
    • Fixed back or the adjustable tie back styles for a custom fit. 
    • Thin shoulder straps help to eliminate tan lines.
    • A fine seam runs down the centre of the cup which is designed to give shape to the bustline and stop the 'pancake' effect!
    • This style is great for all kinds of activity as it is both comfortable and practical. 
    • We recommend this style for all ladies up to 'D' cup.


    S-Port Top

    The 'S-Port' top has been designed for athletic girls that have gorgeous large bustlines and need some extra support and comfort.

    • Named 'S-port' - which is a word play on 'support', this top is wonderfully comfortable and reliable for girls who have cup sizes up to 'E'.
    • Special cup design gives shape - doesn't 'flatten'. 
    • 16mm wide shoulder straps give the comfort and support needed for activity. 
    • A 16mm wide elastic band under the bust gives fabulous support.


    Bikini Briefs

    This sports cut bikini bottom has been adored by thousands of girls around the world since it was introduced in 2005. Ready and up for anything! 

    • A sturdy but delicate drawcord built into the waistline which ties into a discreet bow, is easily tucked in and stops your pants from washing down! 
    • The legline sits at a practical height - not too low, not too high. 
    • 3cm wide side seams - perfect coverage. 
    • Though they are called briefs, this style is not brief. The bottoms are cut wide enough to sit down over the lower cheek area. 
    • Some designs will have 'Booty Boost' which is fantastic for taking away the 'sag' effect between the bottom cheeks. It gives a lovely shape to bottoms of all shapes and sizes. The delicate and comfortable chlorine proof tape which is securely stitched also takes away the 'shadow line' down the centre back that can occur with pale coloured fabrics. 
    • We recommend this style for girls who wish to wear a bikini but want a bit more modesty around the back.


    Cheekies

    The 'Cheekies' cut is a little bit more narrow around the back than the Briefs cut but has more coverage than the Beach Bums. This is the go-to cut for the majority of girls who want the best mix of function and fashion. 

    •  A sturdy but delicate drawcord built into the waistline. The cord ties into a discreet bow, is easily tucked in and stops your pants from washing down.
    • The legline sits at a practical height that can be raised or lowered to suit the wearers preference.
    • The back is cut away a little but this style, as with other Aquadiva garments, will not ride up into the centre of the bottom even when doing strenuous physical activity. Though the cheek area is cut away, there is still plenty of width through the crotch area. 
    • 3cm wide side seams - perfect coverage. 
    • Some designs will have 'Booty Boost' which is fantastic for taking away the 'sag' effect between the bottom cheeks. It gives a lovely shape to bottoms of all shapes and sizes. The delicate and comfortable chlorine proof tape also takes away the 'shadow line' down the centre back that can occur with pale coloured fabrics. 
    • We recommend the Cheekies cut for girls who are confident about their figure. *More fabric can actually be less flattering, so don't be afraid to try a more brief cut even if you have more curves. Many girls try the Cheekies after wearing Briefs, love them and never go back. 


    Beach Bums 

    The 'Beach Bums' cut is little bit more cut away than our other styles but sometimes less is more!  

    • Sturdy but delicate drawcord built into the waistline. The cord ties into a discreet bow, is easily tucked in and stops your pants washing down. 
    • The legline sits at a practical height that can be raised or lowered to suit the wearers preference.
    • The back is cut away but will not ride up into the centre of the bottom even when doing strenuous physical activity.
    • Though the cheek area is cut away there is still plenty of width in the crotch area.
    • 3cm wide side seams for just enough coverage. 
    • Some designs will have 'Booty Boost' which is fantastic for taking away the 'sag' effect between the bottom cheeks. It gives a lovely shape to bottoms of all shapes and sizes. The delicate and comfortable chlorine proof tape also takes away the 'shadow line' down the centre back that can occur with pale coloured fabrics. 
    • We recommend the Beach Bums cut for girls who are very confident about their figure and want to show off their assets!