Sustainable one peace swimsuit BUTTERFLY

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Size: S

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This one was inspired by BUTTERFLY FISH. Purple and yellow- it's perfect match!

Perfect for water sport, surfing, kiteboarding or just snoozing near the swimming pool or for beach volleyball.

Every detail is thought out down to the last detail- a small but not closed neckline, quite deep enough back neckline, closed and all-tight bottom for freedom of movement. Two layers of fabric makes swimsuit fit to body and shapes the body without constraining it. 

Fabric- recycled polyester+ lycra. Excellent coverage, UV protection (UPF 50+), ultra chlorine resistant, shape retention, perfect fit, muscle control, four-way stretch, resistance sun cream and oil.

Care- wash on a regular machine cycle at 30 °C or hands washing.

Size- models wear M and L size swimsuits. Please use size guide to find perfect size for you. Please note, that two layers of fabric makes size a little bit smaller.

Sustainability- swimsuits are made from recycled polyester fabric, which is certified according STANDARD 100 OEKO-TEX. This means, that fabric are safe for human and responsibly produced.

Print on fabric is made with water- based certified ink. No harmful chemicals are used in the printing process. Safety of inks complies with strict European requirements for environmental compatibility. The pre treatment, inks and softener are GOTS 6.0 and OEKO TEX 100 (Class I and II) certified. 



You can choose the best delivery option for you:

Local delivery in Lithuania:

  • Free delivery to parcel machine
  • Delivery by courier

Worldwide delivery:

  • Free worldwide shipping with Post services.
  • 5-14 working days to EU countries
  • 14-20 working days to Rest of the world

Economy shipping (shipping price depends on delivery country)

  • 3-7 working days to EU countries
  • 10- 14 working days to Rest of the world

 Express shipping (shipping price depends on delivery country)

  • 1-2 working days to EU countries
  • 2-4 working days to Rest of the world

Returns and exchanges are accepted within 14 days of delivery. Please note: We ask that you cover the shipping fees to return your items to us and we will cover shipping fees for your exchange.

To make a return or exchange, please contact us at

  • All returned and exchanged swimsuits must be in unworn condition with all tags and liners intact. If the suit is returned in obviously worn or damaged condition, we reserve the right to refuse a refund. Initial shipping taxes and fees are non-refundable.

Refunds are made within 3 days from the delivery of the product to UnderW and the assessment that the product has indeed been returned in a suitable condition.

Customer Reviews

Based on 4 reviews
Lina Kirbutienė
Maudymosi kostiumėlis

komunikacija ir maudymosi kostiumėlio kokybė - 10 balų :) labai ačiū ir linkiu sėkmės!

Aneta W
Pats geriausias vientisas maudymukas

Best of the best!
Labai patogus, niekas nepersisviecia, super spalvingas, lengvai išplaunamas ir nerealiai akį traukiantis. Superinis kokybės ir kainos santykis, tikrai verta investicija, plius iš perdirbto plastiko! Ko daugiau ir reikia norėti. Jau akį laikau ant antrojo 😁

Labai patogus kostiumelis

Atostogavau su vaiku prie jūros, tai labai džiaugiausi šiuo maudymosi kostiumėliu, nes nebuvo baisu nei maudytis, nei bėgioti po smėlį su vaiku, nebaisu, kad petneša nukris ar išlįs ir iškris kas nors :) Džiaugiuosi įsigijusi šį modeliuka.

Nerealiai grazus maudymukas

Labai patogus ir tikrai grazus maudymukas.

„The Earth is a fine place and worth faighting for.“.– Ernest Hemingway

Each UnderW swimsuit is made from recycled plastic that meets the highest sustainability standards. Allow yourself to look unique and become part of a sustainable community.