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Buy 2 Get 20% Off
Best Seller

Coolum Core Support One Piece Swim

$200.00 $150.00 25% off
Buy 2 Get 20% Off
Best Seller
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Coolum Core Support One Piece Swim - Black Texture
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears a M. She is a size 12 and is 178cm tall
Model wears a M. She is a size 12 and is 178cm tall
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Coolum Core Support One Piece Swim - Black Texture
Coolum Core Support One Piece Swim - Black Texture
Model wears an XL. She is a size 16 and 175cm tall.
Model wears an XL. She is a size 16 and 175cm tall.
Model wears a S.She is a size 10/12 and is 175cm tall.
Model wears a S.She is a size 10/12 and is 175cm tall.
Model 1 wears a M. She is a size 12 and is 178cm tall. Model 2 wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model 1 wears a M. She is a size 12 and is 178cm tall. Model 2 wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears a size M. She is size 12 and 172cm tall.
Model wears a size M. She is size 12 and 172cm tall.
Model wears a size M. She is size 12 and 172cm tall.
Model wears a size M. She is size 12 and 172cm tall.
Model wears a XL. She is a size 16, wears a 16E bra and is 180cm tall.
Model wears a XL. She is a size 16, wears a 16E bra and is 180cm tall.
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Coolum Core Support One Piece Swim - Black Texture
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears a M. She is a size 12 and is 178cm tall
Model wears a M. She is a size 12 and is 178cm tall
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Coolum Core Support One Piece Swim - Black Texture
Coolum Core Support One Piece Swim - Black Texture
Model wears an XL. She is a size 16 and 175cm tall.
Model wears an XL. She is a size 16 and 175cm tall.
Model wears a S.She is a size 10/12 and is 175cm tall.
Model wears a S.She is a size 10/12 and is 175cm tall.
Model 1 wears a M. She is a size 12 and is 178cm tall. Model 2 wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model 1 wears a M. She is a size 12 and is 178cm tall. Model 2 wears an L. She is a size 16, wears a 16DD bra and 181cm tall.
Model wears a size M. She is size 12 and 172cm tall.
Model wears a size M. She is size 12 and 172cm tall.
Model wears a size M. She is size 12 and 172cm tall.
Model wears a size M. She is size 12 and 172cm tall.
Model wears a XL. She is a size 16, wears a 16E bra and is 180cm tall.
Model wears a XL. She is a size 16, wears a 16E bra and is 180cm tall.
Buy 2 Get 20% Off
Best Seller

Coolum Core Support One Piece Swim

$200.00 $150.00 25% off
Buy 2 Get 20% Off
Best Seller

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
Size guide & conversion
If you're between sizes, we recommend sizing down
We accept
Free 30 day exchanges
Free shipping over $200

Size guide & conversion

  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: 4.8846493 / 5 from 2254 reviews.

      AI Generated Review Summary

      The Coolum Core Support One Piece Swim in Black Texture is highly praised for its beautiful and comfortable fabric, flattering fit, and supportive design. Customers appreciate its true-to-size fit, excellent coverage, and the quality of the product. The swimwear is designed to stay in place and provide comfort and confidence from splash to sunlounger.

      Summary topics

      • Comfort and Beauty of Fabric: 15%
      • Wearing Comfort: 14%
      • One Piece Design: 9%
      • Colour Appeal: 10%
      • Fit Accuracy: 36%

      Review topics: [size, fit, length, colour, material, quality, look, support, waist, straps, fabric, issues, shape, weather, design, price, cut, construction, style, leggings, comfort, feel, coverage, pants, texture, delivery, padding, piece, neckline, value].

      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

      Amazing clothing and company!

      "Absolutely love my bathers ! Never thought I would ever say that sentence. They fit great and look great and for a bigger gal that’s an amazing feeling. Service have been great from Active Truth also, fixed a slight problem, no questions asked, restored my faith in online shopping. Was so happy I stocked up on their gorgeous bamboo a week later."

      — Luana C. (5/5)

      Great swimsuit

      "I’m very impressed with this swimsuit due to its flattering shape and good bust support. It’s hard buying swimsuits online but I took a chance as it was on sale and I’m delighted I did. I bought my usual size and it fits perfectly. It has good stretch so even with a longer torso it fits really well."

      — Ruth N. (5/5)

      Beautiful Design and Super Comfortable

      "I never thought I'd buy a swimsuit that I actually liked, let alone from an online shop. This one looks just the way it's described online. Provides good strap support, reduces the visibility of the belly, and has a nice adjustable leg line. I'm 165 cm and 80 kg and the Large fit very well - I think I could lose a bit of weight or gain a bit of weight and it would still fit nicely. I was so pleased with this purchase I ordered a second one. Would be great if it could be made in a patterned fabric and also in a 2-piece version."

      — Justine H. (5/5)

      Beautiful Swimsuit

      "I purchased the Coolum Core Support One Piece Swimsuit in a size 10-12. I'm usually a size 12. The fit & coverage is perfect. Great support where needed & very comfortable. Colour is lovely. I've finally found a swimsuit u feel confident to wear. Very quick processing & delivery for online order."

      — Colleen M. (5/5)

      Coolum core support one piece red

      "I bought the larger size which was exchanged easily for the 10-12. The costume is exquisite, sewn beautifully and with quality fabrics. I found the suit to be too long in the body and big in the leg but was able to alter it to suit me. You cannot expect to fit every body and I do have the tankini too which is a size up and even though tis long tis beautiful."

      — Le-Ellen P. (5/5)

      great quality

      "I am completely blown away by Active Truth. Finding a swimsuit that delivers on shape, quality, and functionality used to feel impossible, but this one gets it right in every category. The Espresso shade is a stunning, deep chocolate brown that looks incredibly chic and high-end. The signature ribbed textured fabric adds beautiful depth, while the built-in power mesh panels smooth everything out perfectly, highlighting my natural curves with a sculpted, sophisticated finish."

      — Carina F. (5/5)

      Great Quality, Supportive Fit & Fast Delivery

      "Great quality swimwear. The Coolum Core Support One Piece in Khaki Texture arrived promptly and was exactly as described. The material feels durable, supportive, and comfortable, with a flattering fit that holds well in all the right places. The textured fabric adds a nice touch, making it look stylish while still being practical. Overall, a well-made piece that’s perfect for both swimming and relaxing by the water."

      — Catherine W. (5/5)

      Easy wear

      "Good one piece bathers, nice style, comfortable. Love the adjustable straps, they are versatile in fitting different bust sizes however with an 8FF I do have a bit of spillage out the sides, still absolutely wearable. I have used them while swimming with my kids and had no issues."

      — Claire B. (4/5)

      Feeling good

      "So gorgeous. I've never in all my lift felt good in a swimming suit as I have more tummy and especially now post partum, but I felt soooo good in these. I went and bought a second pair. Will buy more products in the future Great value and affordable. Quality is fantastic and fabric print flattering"

      — Niamh K. (5/5)

      Fantastic bathers

      "An absolute steal for $50! The fabric feels luxurious, the ripples/rouching along the stomach really helps disguise the tummy and the bust area is quite flattering. My only complaint is perhaps the bust is a little tooo flattering for big chested girlies"

      — Victoria R. (5/5)

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