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Nancy One Piece Swimsuit

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Free shipping on orders $90+!

Details

The Nancy Onesie is built for movement, coverage, and a barely-there feel where it counts. It features wide straps and fuller coverage at the front and back leg openings for a secure, confident fit. The back opening stays open and airy for freedom of movement, while the shape offers higher bum coverage than our other open-back styles—giving you that open-back look you love with just a little more security.

Features:

  • Good for: Swimming, water polo, lifeguarding, paddling, ocean and pool activities
  • Fixed-Back
  • Full Coverage
  • Coverage 5
  • Unpadded
  • Lined for maximum privacy
  • Tagless for maximum comfort
  • Chlorine proof
  • 2-way stretch
  • Reinforced stitching

Fabric Composition:

Care Instructions:

  • Hand wash cold
  • Hang dry
  • Do not iron, dry clean or bleach 

How to Measure Yourself

Shipping & Returns

Read our full return policy here.

Domestic Shipping:
  • Free standard shipping on orders $90+!

  • Standard shipping takes about 5 - 7 business days.

  • Holiday Standard Shipping: Order by 12/14 for the best chance of receiving your package by 12/25.

  • Holiday Express Shipping: Order by 12/20 for the best chance of receiving your package by 12/25.

  • Extended Returns: Items purchased between Nov 1, 2025 and Dec 20, 2025 can be returned until Jan 31, 2026.

International Shipping:
  • Allow one business day for order processing.

  • Standard shipping takes about 12 business days, depending on destination and selected shipping method. The estimated transit time is presented at checkout.

  • For Canada, duties and taxes will be calculated at checkout.

  • For Australia and United Kingdom, taxes are included in the price and duties will be calculated at checkout.

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Features

  • High impact

    High impact

    Made for the highest level of activity

  • Foreverever Fabric

    Foreverever Fabric

    Our classic bestselling fabric loved by athletes for its durability

  • Full Coverage

    Full Coverage

    Highest rise on the waist, the lowest cut at the leg opening and scoops under the butt

  • UPF 50+

    UPF 50+

    Stay protected during long days in sun

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Betty One Piece Swimsuit

Price $60
Price $60
Price $72
Price $74
Price $70
Size Range 18 – 38
Size Range 18 – 38
Size Range 26 – 44
Size Range 26 – 44
Size Range 26 – 44
Designed for Entry-level swimmers, recreational activity
Designed for Entry-level swimmers, recreational activity
Designed for Training, high-intensity activity
Designed for Training, high-intensity activity
Designed for Training, high-intensity activity
Fabric SplashTec chlorine-proof fabric, with 2-way stretch for comfort and flexibility
Fabric SplashTec chlorine-proof fabric, with 2-way stretch for comfort and flexibility
Fabric Foreverever chlorine-proof fabric, more compressive for high-impact activity
Fabric Foreverever chlorine-proof fabric, more compressive for high-impact activity
Fabric Foreverever chlorine-proof fabric, more compressive for high-impact activity
Back Adjustable fixed-back,
Extra side coverage,
High back placement
Back Secure fixed-back,
Extra side coverage,
High back placement
Back Built-in shelf bra,
Secure fixed-back,
Extra side coverage,
High back placement
Back Thick cross-back fixed straps,
Extra side coverage,
High back placement
Back Built-in shelf bra,
Wider fixed-back straps,
Extra side coverage,
High back placement
Bum Full Coverage (5)
Bum Full Coverage (5)
Bum Full Coverage (5)
Bum Full Coverage (5)
Bum Full Coverage (5)
Hip Low cut
Hip Low cut
Hip Low cut
Hip Low cut
Hip Low cut

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