Friday Pattern Company

The Seabright Swimmer

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The Seabright Swimmer is a one piece swimsuit pattern that can be made with or without sleeves. It features a plunging neckline with gathering at the shoulder and waist. The instructions include a tutorial for adding a lace up neckline closure for added modesty. The sleeves let you look and feel glam while providing a bit of added sun protection!

This listing is for a printed paper pattern in a paper envelope. 


You will need a fabric with 4 way stretch and at least 50% crosswise stretch. Keep in mind that your suit will be stretching both around your body and down it, so if your fabric doesn’t have 4 way stretch the it wont fit correctly. If you are making this as a swimsuit, you will need swim lycra. If you are making this as a body suit, any knit will do as long as it meets stretch requirements. You can use the same fabric for the outer fabric and lining or get separate lining fabric. 


45" / 114cm Fabric
Sizes XS-M = 0.9yd / 0.8m, Sizes L-XXL = 1yd / 0.9m, Sizes 1X-4X = 1.6yd / 1.5m

54"-60" / 137cm - 152cm Fabric
Sizes XS-M = 0.8yd / 0.7m, Sizes L-XXL = 1yd / 0.9m, Sizes 1X-4X = 1.1yd / 1m


45" / 114cm Fabric
Sizes XS-M = 1.4yd / 1.3m, Sizes L-XXL = 1.7yd / 1.5m, Sizes 1X-4X = 2.1yd / 1.9m

54"-60" / 137cm - 152cm Fabric
Sizes XS-M = 1yd / 0.9m, Sizes L-XXL = 1.5yd / 1.3m, Sizes 1X-4X = 2.1yd / 1.9m


45" / 114cm Fabric
All Sizes = 1yd / 0.9m

54"-60" / 137cm - 152cm Fabric
All Sizes = 0.88yd / 0.8m


  • Stretch sewing machine needle
  • Ruler
  • A tool for marking - A disappearing or wash away marking pen is ideal, but we won’t be marking anywhere that will show on the final suit, so a regular marker or pen will do in a pinch!
  • Thread (polyester thread is good for sewing with knits because it has some give)
  • Optional: 2, 3/4” D-Rings for an optional lace up front closure.  
  • Optional: Soft foam cups. Sizing up in foam cups is recommended for this suit.
  • Optional: Hand sewing needle (for sewing in cups)

Sewing level: Intermediate

Sizes: XS-4X

Additional Info

Additional Info