Sirena Patterns Bernice Swimsuit

Sirena Patterns


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Buy the Bernice Swimsuit sewing pattern from Sirena Patterns. This reversible one-piece swimsuit features a halter neck, open back, and ties at the back. Medium back coverage.

This sewing pattern is available to buy in the following formats:

– PDF (available to download immediately after purchase). What is a PDF?

– PDF pattern + Printed A0 copy shop (We print out the A0 pattern sheets, but you’ll need to download the digital instructions, as we don’t print these. The PDF files will be emailed immediately after purchase, and the A0 pattern sheets will be dispatched next working day). What is Copy Shop?

Suggested fabrics: Swimwear fabric with spandex and four-way stretch (50% stretch or more).

Fabric requirements: 58″ or 60″ (150 cm) wide fabric: Swimwear fabric A: 7/8 yd (0.8 m); Swimwear fabric B: 7/8 yd (0.8 m). As the suit is reversible, no lining is required.

Sizing: XS – XL (approx. UK 6/8 – 16/18). Please check the size chart.

Notions: 2 1/2 yd (2.25 m) of 1/4″ (6 mm)-wide elastic; 2 cord ends (optional); thread.

PDF pattern includes: Sewing instructions in English and Spanish; US letter/A4 print-at-home pattern; A1 copy shop file.

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Additional information


Lycra / Spandex / Waterproof

Make time

Half a day

Sewing level

Confident Beginner, Intermediate


UK 6 / US 2 / EU 34, UK 8 / US 4 / EU 36, UK 10 / US 6 / EU 38, UK 12 / US 8 / EU 40, UK 14 / US 10 / EU 42, UK 16 / US 12 / EU 44, UK 18 / US 14 / EU 46

Pattern format

PDF, PDF pattern + Printed copy shop (+£7.00)

PDF Printing

8 pages

Sewing pattern reviews (1)

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