Sardegna One Piece
Sardegna One Piece
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Description
Description
The Sardegna One Piece effortlessly combines timeless elegance with thoughtful functionality, making it the ultimate choice for the modern beachgoer.
Adjustable Long Straps: These versatile straps double as a belted waist detail, allowing you to customize the fit and accentuate your waistline beautifully.
Waist-Defining Design: The strategic belted detail creates a flattering, hourglass silhouette.
Removable Padding: Provides the option to tailor your fit and support for maximum comfort.
Double Lined: Ensures opacity and confidence, even when wet.
Fabric
Fabric
Crafted from our signature recycled polyamide: 78% recycled nylon and 22% elastane.
- Chlorine resistant
- UV protective fabric
- Excellent coverage
- Bi-elastic
- Pilling resistance
Fit & Sizing
Fit & Sizing
Runs true to size. For more information please visit our size guide. In between sizes? We recommend sizing up.
Amal is wearing size XXL.
Carlijn is wearing size M.
Care Instructions
Care Instructions
To preserve the quality and longevity of your Billie Swim: Hand wash in cold water, lay flat to dry indoors and away from direct sunlight.
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Billie Swim pieces are timless, high quality and designed to last
Billie Swim is a slow fashion brand, our thoughtful designs transcend trends. We focus on creating pieces for endless seasons of beachside elegance.

We only use reycled polyamide
Billie Swim pieces are only made of polyamide from recycled sources. We are proud that we do not use any conventional polyamide in our swimwear collections.
Our swimwear fabric is versatile, hyper-resistant, sleek, elegant, stretchy, soft, and breathable.

We understand science
All materials used are OEKO-TEX® Standard 100 certified. EKO-TEX® Standard 100 is a globally recognized certification that ensures textiles are free from harmful substances.

Billie Swim is produced at a solar powered factory
Billie Swim suits are produced in Indonesia. The factory producing our collection is solar powered.
Fun fact: 90 seconds of sunlight = 2.5 hours of power for sewing machine = 1 Billie swim bikini set.
Let's make waves together
By choosing Billie Swim, you're not just buying swimwear — you're joining a movement towards slow fashion, high quality goods that are designed to last.