Gift Guide

Find the perfect gift

Embroidered One Pieces

Back with new icons

Picnic Party

Shop our cherries print

Free Shipping on Orders $90+

Events Store Locator Team Sales Lifeguard Orders

Alyssa Swim Onesie

$19.99
$19.99
Color:
Size:
Size Chart

One Piece Swimsuit
Size Guide

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!

  • JOLYN One Piece
    Size
    • 22 / 22J
    24J
    24
    26
    28
    30
    32
    34
    36
    38
    40
    42
    44
  • Dress Size
    (US)
  • Y10
  • Y12
  • 00
  • 0 | 2
  • 2 | 4
  • 4 | 6
  • 6 | 8
  • 8 | 10
  • 10 | 12
  • 12 | 14
  • 14 | 16
  • Torso
    (in)
  • 51
  • 53
  • 56
  • 57
  • 58.5
  • 60
  • 61.5
  • 63
  • 64.5
  • 66
  • 67.5
  • 69
  • 70.5
  • Cup Size
    (in)
  • AA
  • A
  • B
  • C
  • C
  • C | D
  • Waist
    (in)
  • 23-24
  • 24-25
  • 23-24
  • 25-26
  • 27-28
  • 29-30
  • 31-32
  • 33-34
  • 35-36
  • 37-38
  • 39-40
  • 41-42
  • 43-44
  • Hip
    (in)
  • 30-32
  • 33-34
  • 33-34
  • 35-36
  • 37-38
  • 39-40
  • 41-42
  • 43-44
  • 45-46
  • 47-48
  • 49-50
  • 51-52
  • 53-54
  • Over Bust
    (in)
  • 27-28
  • 29-30
  • 29-30
  • 31-32
  • 33-34
  • 35-36
  • 37-38
  • 39-40
  • 41-42
  • 43-44
  • 45-46
  • 47-48
  • 49-50

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.

Measurement Guide

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 we’ll sort you out!

Free shipping on domestic orders $90+!
Sign up for restock notifications

Details

Jump into the Alyssa, the newest addition to our swimwear line! This one-piece offers super stylish cut-out strap detailing and a high-hip fit for those into moderate coverage. With fixed-straps, you'll feel secure on every dive. Crafted with our powerfully durable Foreverever swim fabric, this swimsuit is built to last through all your aquatic adventures.

 Features:

  • Good for: Swimming, water polo, lifeguarding, paddling, ocean and pool activities
  • Fixed-back
  • Medium coverage 
  • Coverage 3
  • Medium-high impact 4
  • 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 


    Shipping & Returns

    JOLYNSIDER Rewards

    Earn points on every purchase to unlock exclusive rewards and get early access to our promotions.

    Sign In or Sign Up

    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

    • Medium Coverage

      Medium Coverage

      Sits diagonally across the bum

    • UPF 50+

      UPF 50+

      Stay protected during long days in sun

    Other Products In This Print


    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    Only 9 left in stock!
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    Only 2 left in stock!
    Only 4 left in stock!
    Only 7 left in stock!
    Not in stock.
    We have plenty in stock.
    Not in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    Only 8 left in stock!
    Only 4 left in stock!
    Only 6 left in stock!
    We have plenty in stock.
    Only 9 left in stock!
    Only 8 left in stock!
    Only 4 left in stock!
    Only 4 left in stock!
    Not in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    We have plenty in stock.
    Only 7 left in stock!
    Not in stock.
    Only 2 left in stock!
    Only 1 left in stock!
    Not in stock.