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Description
Meet our Billie One Piece, effortlessly feminine and designed to flatter your natural silhouette.
This is no ordinary one piece, perfect for every beauty, in any season of life.
The ruched front stitching adds subtle shaping and stylish detail, while the smooth back keeps the look sleek and clean. Billie is the perfect combination of style, function, and timeless elegance.
Features:
- Ruched front stitching adds subtle shaping whilst gently hugging your curves for a flattering, slimming effect
- Smooth, non-ruched back providing a sleek and clean look
- Double-layered fabric front and back to ensure comfort, coverage, and confidence in every movement
- Adjustable halter neck allowing for a customizable fit, tied exactly how you like it
- Long body length for extra coverage and no camel toe!
- Full bum coverage
- Fast-drying, chlorine-resistant fabric
- UPF 50+ UV protection
- Crafted from our signature recycled, sustainable materials
Garment Care
Because we choose to use only premium fabrics, your Sunfolk garments are designed to be loved and worn for years to come. To help keep them vibrant, comfortable, and long-lasting, we recommend caring for your swimwear with the same love, attention and intention that went into creating it.
Our Swimwear Care Guide:
- Rinse your swimwear gently in cold water as soon as possible after each wear.
- Avoid machine washing and harsh detergents to protect the integrity of the fabric.
- Dry in the shade where possible and avoid prolonged exposure to direct sunlight.
- Never store your swimwear while damp, as this can lead to bacteria and unwanted odours.
Size guide

We understand all body shapes and sizes are different. We also ask you to please consider how you would like to garment to fit and if you prefer a firmer and more supportive fit for surfing etc.
To ensure you order the correct size, we ask that you please follow our Swimwear Size Guide Below.
All our sizes are true to size.
Sizes are a general guide only.
If you would like any assistance selecting the right size for you, please feel free to contact us or reach out to us on our socials, we are here to help our folk out.
How to measure:
For the most accurate measurements, ensure you are relaxed and standing naturally, with the tape measure held flat against your skin. We recommend wearing either tight-fitting or no clothing to achieve the most precise fit.


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We need your help!
Every year, an estimated eight million tonnes of plastic waste and 640,000 tonnes of discarded fishing nets enter our oceans and at current rates, there will be more plastic by weight than fish by 2025.
By purchasing on of our garments, you’re not only supporting a small, Australian, women-led and designed brand, but you’re taking a meaningful step towards cleaner oceans and protecting our environment for future generations.
