We tend to run smaller than most other companies. The best way to find the right size for you would be to take your measurements using our measurement guide and comparing them to our size chart.

Click here to go to our helpful size chart and measurement guide. If you fall between two sizes we recommend going with the larger one!

Email us at contact@jolyn.com with your measurements (Torso, Chest, Hips) and we'll suggest the best size for you.

If you are looking for a fixed-back onesie, the most bum coverage styles would be the Caroline One Piece, the Nancy One Piece, and the Betty One Piece.

For tie-back onesies, the style with the most bum coverage would be the Jackson One Piece.

For full coverage tops, we would the recommend Kaylee, Tomcat, Ryan, Grayson, Adrian, or Fendrick. For full coverage bottoms, we would the recommend Ally, Andy, Midl, Bali, Natia, or Koa.

We do our best to restock our solid colors every 2-3 weeks or so. Most prints and contrast suits are limited edition and do not get restocked online once they have been sold out.

Our inventory turns over very quickly, so always check our website and social media pages for updates!

Instagram: @jolynclothing | Facebook: jolynclothing

We manufacture our suits in the United States, Mexico and Vietnam at factories with safe, fair, legal and humane working conditions. We believe strongly in being a socially responsible company and work closely alongside our awesome production crew to get our suits made with top quality.

All JOLYN styles are chlorine resistant! Our most durable swimsuits are made in our Foreverever® fabric - both the outer shell and the liner are made with 100% Polyester. This means that your suit will tackle the chlorine better than any other brand.

We recommend rinsing in cold water and air drying your suits after every use. Please avoid any washing or drying machine or soap as those will likely cause damage to your JOLYN.

Check out our blog post all about suit care.

Our factories take pride in providing solid sewing construction and will honor a six (6) month warranty on stitching and swimsuit lining. If you ever do experience this (we hope not!) send an email with a picture of the item and the original six-digit order number to contact@jolyn.com.

Our system does not accept outside gift cards. Your best option is to upload the gift card into your Paypal account and then use Paypal to check out on our website.

Usually when customers receive the error message "street address and postal code do not match" it is because the billing address being used doesn't match the address linked to that credit card.

Contact your bank to verify your billing address or try using a different credit card when you place your order. If you are still having problems, email us and we will help you place an order.

Any duplicate charges are a result of multiple authorization attempts and should show as "pending" on your bank statement. You will only be charged once and duplicate charges will be removed within 2-3 business days.

Once you place an order, we start on the packing and shipping process right away, so we are unable to make changes or edits. If you realize you’ve made a mistake in your order, please email us within 20 minutes of the order being placed and we will try to get the order canceled or the address changed. Sadly we cannot make any promises.

If we are able to cancel your order before it ships out, you will then be fully refunded. That way, you can place a new order with the correct items. If we are unable to cancel your order, we recommend ordering the correct suit online and sending the first order back for a refund.

Once your order has been shipped you will receive a shipping confirmation email with a tracking number. Please allow the shipping provider a couple business days to update the tracking information.

Please contact us immediately with a photo of the item and the JOLYN order number and we will be happy to help you. You must contact us within 2 weeks of delivery. Email us for assistance.

**Please note that UPS does not deliver to PO Boxes**

All of our products can be shipped to the US, Canada and Australia. If you live in Europe, go here. If you live in Japan, you can email japan@jolyn.com.

Heads up! All international orders shipping to Canada may be subject to taxes and duties. These fees are charged by your government and are entirely separate from any shipping fees.

Due to the ongoing Canada Post strike, we are unable to provide an ETA on Canadian deliveries. Please take this into account before placing an order.

Your suits will (usually) ship out within 2 business days of the order date. Orders placed on Friday or the weekend will ship out the following Monday. This includes all shipping types (even expedited).

Due to the ongoing Canada Post strike, we are unable to provide an ETA on Canadian deliveries. Please take this into account before placing an order.

JOLYN is not responsible for replacing packages sent to incorrect or outdated addresses, as entered by the customer, so please be sure to double check your shipping address before placing your order! If you realize you’ve made a mistake in your order, please email us within 20 minutes of the order being placed and we will try to get the address changed. Sadly we cannot make any promises.

Sometimes orders get delivered to your local post office or the wrong house by accident. First check with your neighbors, mailman and local post office. Still no luck? Email us.

*Please note: lost orders will only be issued store credit*

You can return items for a refund within 30 days of purchase and for online credit within 45 days of purchase. We do not accept returns past 45 days. The item/suit must be unworn, unused, unwashed, free of stains and odors and still have the tags and the hygienic liner attached. Please do not send suits back if they do not comply with the above requirements, as we are unable to issue store credit/refund and are not responsible for sending the item back to you.

Click here to check out our return policy.

Click here to submit a return request.

After your return was approved, you should have received an email confirmation with further directions to the email used at the time of purchase. Please check your spam/junk folder as the emails may be in there.

No worries! We can change that for you as long as the return meets our requirements. Please email us with your order number. (Please note: refund method cannot be changed after return has been processed.)

Please allow 2 weeks for your return to be processed. You will receive a refund confirmation email once your refund has been issued.

If your order was placed before June 25, 2025, it was processed through our previous Australian website. Return instructions for these orders may differ. Please refer to the return details provided in your original order confirmation email, or reach out to our customer service team if you need help.

Online returns are not accepted at JOLYN Pop-Ups.

Pop-Up purchases must be returned/exchanged through the Pop-Up rep. You can contact them directly. contact them directly

To find retailers who carry JOLYN, check out our store locator here.

We also have JOLYN POP-UPS around the world! Click here for our pop-up calendar.

We now ship directly to Australia from our US website. As a result, all traffic is now redirected to our US site. This allows us to offer a more consistent shopping experience and expanded access to our full product range. Don’t worry - shipping to Australia is still supported!

Prices are displayed in USD when browsing from Australia, then converted to AUD at checkout.

Unfortunately, we don't do preorders or have waiting lists for specific items. Always check our website and social media pages for updates! @jolynclothing + jolynclothing

Chlorine-resistant swimsuits are made with synthetic fibers like polyester or PBT blends that resist chlorine degradation. JOLYN uses Foreverever® fabric, a specially engineered fabric designed to retain shape, color, and stretch even with daily chlorine exposure. JOLYN training suits are made from primarily made from polyester.

With proper care, JOLYN suits can last 2–3 years in chlorinated environments. JOLYN's durable fabrics are tested for long-term chlorine exposure and maintain performance longer than most swimwear.

The Brandon, Jackson, and Chevy one-pieces are popular with competitive swimmers. These styles offer full coverage, adjustable back straps, and a secure fit to stay put during training and races.

Yes. JOLYN suits are designed for high-impact water sports like water polo, lifeguarding, and surfing. Many styles include fixed or tie-back straps and compressive fits that don't shift in rough water.

A competition swimsuit should fit snugly, with no gaping or loose areas. It should compress the body slightly without restricting movement. JOLYN suits are designed to be tight out of the water and relax slightly with wear.

JOLYN suits are performance-fit and should feel tight when dry. They will loosen slightly in the water. It is recommended to size down for compression if used for competition, or size up slightly for recreational use.

Yes. JOLYN suits are tested for both chlorinated and saltwater conditions. The durable fabrics and reinforced stitching make them ideal for ocean swimming, surfing, and paddleboarding.

To adjust a JOLYN suit, pull the drawstrings evenly from both sides to cinch the waist or hips, then tie firmly in a double knot. For tie-back tops, cross the ties high on the back and tie them tightly under tension.

JOLYN Train suits are made with Foreverever® fabric, a proprietary polyester blend with high chlorine resistance, 2-way stretch, and excellent shape retention. It's designed to perform in demanding conditions while feeling soft on skin.

Yes. Many JOLYN fabrics are OEKO-TEX® certified, meaning they are tested to be free of harmful substances and meet strict safety standards for skin contact.

Rinse in cold water after each swim, avoid wringing or machine drying, and air dry flat away from sunlight. Do not use harsh detergents. Following these steps helps extend the life of your JOLYN suit.

For racing, many athletes prefer a tighter fit for compression and hydrodynamics. For training, some prefer a slightly more relaxed fit for comfort during long sessions.

The term 'onesie' is a playful way to refer to one-piece swimsuits. All JOLYN one-pieces are designed for performance and may include features like tie-backs or drawstring waists depending on the model.

Hand wash your suit in cold water with gentle soap, rinse thoroughly, and lay flat to dry. Do not machine wash, tumble dry, or iron.

JOLYN suits feature compressive fits, reinforced seams, and tie-back or fixed-strap designs that stay secure during dives, surf, and fast movement.

Many JOLYN fabrics are OEKO-TEX® certified and made from recycled materials. JOLYN's durable designs reduce churn by lasting longer.

Styles like the Caroline, Tabitha, or Marie offer fuller bum coverage and higher backs. Use the JOLYN Bum Coverage Guide to compare fits across styles.

JOLYN is designed for women, but some styles may be worn by anyone based on fit preference. There are also BROLYN briefs and jammers available to purchase.

JOLYN offers separates for mix-and-match sizing. You can order different sizes in tops and bottoms to get your best fit.

Many JOLYN styles are flexible due to stretch and adjustable straps. For longer torsos, the tie-back styles provide more adaptability.

JOLYN suits are widely used in training and unofficial competitions. For FINA-regulated races, swimmers should check the specific model's compliance with event rules.

JOLYN suits are built for durability and athletic training, while Speedo LZR and TYR tech suits are engineered for elite racing. JOLYN prioritizes comfort, style, and longevity over tech-race compression.

For added drag, you can wear an additional suit in a larger size over your normal training suit. You can also find dryland gear like athletic shorts, tops, and sweatshirts ideal for warm-up and post-practice.

Rinse in cold water after every use, avoid high heat and chemicals, and rotate between multiple suits to extend lifespan and avoid stretch fatigue.

Many lifeguards choose the Brandon or Jackson styles for their high coverage, durable construction, and all-day comfort.

Please email us at contact@jolyn.com and we'll get back to you as soon as we can.