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Catherine Surf One Piece

Color:
Size:
Size Chart

Surf Onesies

Torso measurement is most important for finding your accurate one piece size.

If you are in between torso measurements or know your torso runs long we recommend sizing up!

Measurement Guide

Torso

The most important for finding your accurate one piece size

Measure from the top of your shoulder over the fullest part of your bust, through your legs and around, up your back to the starting point.

If you are in between torse measurements or know your torso runs long, we recommend sizing up!

Bust

Measure around the fullest part at the bust.

Waist

Measure around the smallest part of the waist.

Hips

Keep measuring tape parallel to the floor and measure around the fullest part of the hip.

Jolyn swimwear, a woman with measurement arrows and guide

Fit Questions

If you want a second opinion or need help figuring out your size, reach out to us at contact@jolyn.com and weā€™ll sort you out!

Free shipping on orders $90+!

Details

The Catherine one-piece is built for effortless movement and all-day comfort. Designed with a wide-strap scoop neck, it stays put while you paddle, dive, and ride the waves. Though it appears as a onesie from the front, the open back offers a versatile bikini-style look from the back. The internal bra provides extra security and privacy, keeping you covered in the waves. Finished with a French cut on the hip, the Catherine is ready for every session in the water.

Features:
  • Good for:Ā Surfing, paddling, ocean activities, lifestyle
  • Fixed-back
  • Built-in shelf bra
  • Medium coverageĀ 
  • Coverage 3
  • Medium impact 3
  • French cut on hip
  • Lined for maximum privacy
  • Tagless for maximum comfort
  • ChlorineĀ Resistant
  • True to size
    Fabric Composition:
    • Recycled SurfTec Fabric
    • UPF 50+
    • 74% Recycled Nylon 26% Elastane
    Care Instructions:
    • Hand wash cold
    • Hang dry
    • Do not iron, dry clean or bleachĀ 

    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

    • Medium impact

      Medium impact

      Made for a moderate level of activity

    • Medium Coverage

      Medium Coverage

      Sits diagonally across the bum

    • SurfTec

      SurfTec

      Recycled fabric created from discarded fishing nets

    • Shelf Bra

      Shelf Bra

      Built-in shelf bra

    • UPF 50+

      UPF 50+

      Stay protected during long days in sun


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