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Final Sale

Coolum Core Support One Piece Swim

Regular price $200.00 $50.00 75% off
Unit price
per 
Final Sale
Final Sale

Coolum Core Support One Piece Swim

Regular price $200.00 $50.00 75% off
Unit price
per 
Final Sale

Why we love these

  • Supportive fit for B-G cups with adjustable straps
  • Smooths, sculpts, and stays put
  • Incredibly comfortable with power mesh tummy support
  • Timeless, confidence-boosting style
  • Luxe premium ribbed fabric
This product cannot be returned or exchanged
Size Guide
If you're between sizes, we recommend sizing down
We accept
Easy 30 day returns
Free shipping over $200

Size Guide

  S M L XL 2XL 3XL
Size Conversion
AU 8-10 10-12 12-14 16-18 20-22 24-26
US 4-6 6-8 8-10 12-14 16-18 20-22
Bust
CM 87-93 93-99 99-105 106-114 115-123 124-130
IN 34-37 37-39 39-41 42-45 45-48 49-51
Waist
CM 67-73 73-79 79-85 86-94 95-103 104-112
IN 26-29 29-31 31-33 33-37 37-40 40-44
Hips
CM 97-103 103-109 109-115 116-124 125-133 134-142
IN 38-40 41-43 43-45 45-48 49-52 53-56

 

For leggings, the hip measurement is the most important for finding your perfect fit, especially if you're between sizes.

 

Hip: the widest part of your hips making sure the tape measure is even over your bum

 

Waist: your natural waistline above your belly button and below your rib cage

 

Bust: the fullest part of your bust at nipple level

     

    Send your measurements to hello@activetruth.com for personalised advice from our fit experts.

     

     

      S M L XL 2XL 3XL
    Size Conversion
    AU 8-10 10-12 12-14 16-18 20-22 24-26
    US 4-6 6-8 8-10 12-14 16-18 20-22
    Bust
    CM 87-93 93-99 99-105 106-114 115-123 124-130
    IN 34-37 37-39 39-41 42-45 45-48 49-51
    Waist
    CM 67-73 73-79 79-85 86-94 95-103 104-112
    IN 26-29 29-31 31-33 33-37 37-40 40-44
    Hips
    CM 97-103 103-109 109-115 116-124 125-133 134-142
    IN 38-40 41-43 43-45 45-48 49-52 53-56

     

    For swimwear, measure your hips, waist and bust. 

     

    Our swimwear is made to fit up to an G cup. If you are between sizes we generally recommend you size down, unless you are above an E cup.

     

    Hip: the widest part of your hips making sure the tape measure is even over your bum

     

    Waist: your natural waistline above your belly button and below your rib cage

     

    Bust: the fullest part of your bust at nipple level

       

       

      Send your measurements to hello@activetruth.com for personalised advice from our fit experts.

        S M L XL 2XL 3XL
      Size Conversion
      AU 8-10 10-12 12-14 16-18 20-22 24-26
      US 4-6 6-8 8-10 12-14 16-18 20-22
      Bust
      CM 87-93 93-99 99-105 106-114 115-123 124-130
      IN 34-37 37-39 39-41 42-45 45-48 49-51
      Waist
      CM 67-73 73-79 79-85 86-94 95-103 104-112
      IN 26-29 29-31 31-33 33-37 37-40 40-44
      Hips
      CM 97-103 103-109 109-115 116-124 125-133 134-142
      IN 38-40 41-43 43-45 45-48 49-52 53-56

       

      For maternity leggings, the hip measurement is the most important for finding your perfect fit.

       

      We've designed our pregnancy leggings with plenty of room for your growing bump, so don't use your waist measurement.

       

      Hip: the widest part of your hips making sure the tape measure is even over your bum

       

      Waist: your natural waistline above your belly button and below your rib cage

       

      Bust: the fullest part of your bust at nipple level

       

       

      Crops

      Due to the changes your body experiences during breastfeeding, we recommend comparing your under bust measurement (where your bra band sits) to the sizing chart below.

       

      Our nursing crops cater up to a DD cup. For larger cup sizes you may wish to size up.

       

        S M L XL 2XL 3XL
      Underbust
      CM 74-80 80-86 86-92 93-99 99-106 106-112
      IN 29-31 31-33 33-36 37-39 39-42 42-44

       

       

       

      Overall rating: 4.896396 / 5 from 3108 reviews.

      AI Generated Review Summary

      This one-piece swimsuit is highly praised for its flattering fit, supportive design, and high-quality fabric. Customers appreciate its comfortable feel, excellent coverage, and chlorine-resistant, quick-drying material. The textured ribbed fabric and adjustable straps add to its appeal, making it a top choice for confident swimwear.

      Summary topics

      • Colour (10%): Customers keep praising the lovely and gorgeous colour of the product, with many expressing their love for it.
      • Coverage (7%): Customers loved the great coverage provided by the product, which was mentioned multiple times in the reviews.
      • Feel (14%): It was noted by customers that the swimsuit feels great and comfortable, making them feel confident and feminine.
      • Fit (36%): A substantial number of customers appreciated the fit of the product, describing it as perfect or great.
      • Quality (9%): Customers expressed satisfaction with the amazing quality of the product, which was mentioned multiple times in the reviews.

      Review topics: ["feel","fit","fabric","colour","quality","look","size","issues","material","coverage","straps","swimsuit","style","cut","shape","bathers","texture","design","delivery","swimmers","comfort","padding","value","support","neckline","stretch","weather","piece","length","waist"].

      Review highlights

      • "Really great quality fabric supportive but not tight and restrictive - really comfortable and would recommend" — Heather R.
      • "Fabric feels supportive and straps adjustable enough that I feel comfortable and happy in bathers!" — Nancy H.
      • "Amazing fit, looks and feels great on, excellent quality." — Lauren P.

      Reviews

      Love these swimsuits! Great fit for big boobs

      "Bought two of these swimsuits in the $50 sale and already want more. Great fit for F cups! And high quality & sucky inny in all the right places. The bottom is slightly cheeky but I don’t mind as most swimsuits have too much coverage in that area. Love the ribbed texture fabric instead of the plain smooth. Just adds another element."

      — Victoria K. (5/5)

      Perfect Fit and So Comfortable!

      "I absolutely love this swimsuit! It fits perfectly and is so comfortable. As a mum, I love that it stays in place and I don’t have to worry about anything slipping out or the swimsuit riding up. It gives great coverage and it feels comfortable. Perfect for the Australian summer! ☀️"

      — MARIA G. (5/5)

      Best swimsuit!

      "Most comfortable yet flattering swimsuit I’ve worn since I’ve had children and gained some weight. I’ve been struggling to find a swimsuit that I feel comfortable, supported and confident in for years and I’m so glad to have tried active truths swimsuit. I’m already recommending to my friends/family and I’ll be ordering more colours for sure. :)"

      — Nikki M. (5/5)

      A winner!

      "Honestly I couldn’t have asked for a more perfect swim suit. I chose a size up, which was recommended because of bra size (I’m normally a 10) and the fit was absolutely perfect and the most flattering, gathered just in the right spot to enhance my waist - the colour is gorgeous too. Love the material too. Definitely will be buying more in different colours."

      — Dona M. (5/5)

      Very happy with product and service support

      "I purchased two lovely bathing suits. The Coolum is great and I love wearing it. The Sorrento was a different fabric, the smooth fabric, and was a little less giving. I was able to exchange the suit for one with the textured fabric, which has the additional give I needed. Perfect! Thank you to the staff for facilitating the exchange so easily and quickly. Very happy!"

      — Lesley W. (5/5)

      Great brand

      "Love the colours and style. Maybe a tad more material around bottom and a little more texture around tummy would give them a 5 star for me. But great price on special."

      — Renae J. (4/5)

      Fantastic!

      "I am a heavy, full F cup and haven’t bought new swimmers for over 5 years because I’ve always struggled to find a good quality product that will hold my boobs. So I was skeptical about these but bought a pair whilst on sale. BEST PURCHASE EVER! They are comfortable, great quality, and really do fit an F cup! No spilling out the top or the sides."

      — Nicole H. (5/5)

      Love these swimmers!

      "These swimmers are as good as all the reviews. They are flattering and support the breasts as described. I am a 16DD and they fit me perfectly. I know I’m going to swim in these and not have to worry that my boobs will fall out! I love the colour, a beautiful teal and I love the way they fit across my tummy. I’m so glad I actually bought these after looking at them for months!"

      — Melissa C. (5/5)

      Great bathers!

      "I bought the coolum one piece bathers on sale as the colour has been discontinued. Very happy with my purchase.. The colour is lovely (not sure why discontinued?) and they are a nice fit. I am a E cup normally but only a size 12 so its often difficult to get one piece that fit properly. These do just that. I got a medium, which work well on me. I'm considering another pair. might"

      — Alison F. (5/5)

      One piece swimsuit

      "Absolutely love the swimsuit I ordered from Active Truth. The colour was perfect and just like it looked online. Very happy with the cut and the quality of the fabric. I would definitely recommend this product and will be buying all my swimwear from this Company from now on."

      — Lynne G. (5/5)

      Q&A