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The New Society Sienna eco swimsuit – front view, recycled fabric with sun protection, dark red floral print
Sienna one-piece swimsuit by The New Society – burgundy floral print, OEKO-TEX certified recycled fabric
Woman wearing The New Society Sienna swimsuit – feminine cutout detail, thin straps, eco-friendly beachwear
Open back detail of The New Society Sienna eco swimsuit – fair trade
The New Society Sienna eco swimsuit – front view, recycled fabric with sun protection, dark red floral print
Sienna one-piece swimsuit by The New Society – burgundy floral print, OEKO-TEX certified recycled fabric
Woman wearing The New Society Sienna swimsuit – feminine cutout detail, thin straps, eco-friendly beachwear
Open back detail of The New Society Sienna eco swimsuit – fair trade
The New Society Sienna eco swimsuit – front view, recycled fabric with sun protection, dark red floral print
Sienna one-piece swimsuit by The New Society – burgundy floral print, OEKO-TEX certified recycled fabric
Woman wearing The New Society Sienna swimsuit – feminine cutout detail, thin straps, eco-friendly beachwear
Open back detail of The New Society Sienna eco swimsuit – fair trade

Sienna Print Eco Swimsuit

The New Society
$590.00
$790.00

Thoughtfully upcycled with premium deadstock fabrics

Locally crafted in small batches by Hong Kong artisans

Finished with biodegradable shell buttons on selected styles

Sienna Print Eco One-Piece Swimsuit – Recycled Fabric by The New Society

Bold, feminine, and eco-conscious — the Sienna one-piece swimsuit by The New Society is crafted from recycled fabric with built-in sun protection. Featuring a stunning dark red floral print, front cutouts, and thin straps, this swimsuit shows the best and covers the rest — perfect for beach days in Hong Kong, Singapore, Australia, and the UK.

  • Recycled Fabric — eco-conscious swimwear that reduces environmental impact
  • Built-in Sun Protection — ideal for long days at the beach or pool
  • OEKO-TEX Certified — safe for skin, free from harmful substances
  • Front Cutouts & Thin Straps — feminine, flattering silhouette
  • Dark Red Floral Print — bold Sienna-inspired design, exclusive to The New Society
  • Fair Trade Made in Portugal — ethical craftsmanship and quality

Explore more eco-friendly women swimsuits or browse the full The New Society collection at MiliMilu.

Size Guide (cm)

Size Height Chest Waist Hip Shoulder Arm
XS 162+ 86 68 92 35 60
S 165+ 88 70 94 36 61
M 168+ 90 72 96 37 61

Care: Hand wash cold, do not tumble dry. Rinse after use in salt water or chlorine.

Ships to 🇭🇰 HK | 🇸🇬 SG | 🇦🇺 AU | 🇬🇧 UK

The Sienna one piece women swimsuit is feminine, comfortable and fits any body shape to make you look stylish while having fun and stretchy smock fabric will cover what is needed and show the best.

This one piece swimsuit is made of recycled fabric, 84 % recycled polyester and 16% elastane. The Sienna red swimsuit is made and designed in Portugal. Machine wash with similar colours at 30°C/86°F, iron in low temperature. Do not bleach or use washing powder with bleach. Do not dry clean.

Be sure to rinse it off after swimming in the sea or ocean. This one-piece swimsuit is an excellent addition to your wardrobe and we love when women's fashion and sustainability go hand in hand.

Wear it with

"Every piece we make carries a story of love, sustainability, and thoughtful craftsmanship. My hope is that when you wear MiliMilu, you feel the care, purpose, and passion woven into every stitch.”

- Linda Morrison, Founder of MiliMilu

Shop women oversized linen shirt in Garnet red colour, this breathable linen shirt with linen shirts make the best women linen set in red colour.

Fashion That Gives Back

MiliMilu is proud to donate 10% of all MiliMilu collection online sales to Redress, supporting a circular fashion future and reducing textile waste.

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