trying on your onewith
What to know when your onewith arrives!
What to know when your onewith arrives!
1. your correct size SHOULD dig in a bit to start, then...
2. after warming up your onewith (aka giving it a stretch)
3. your onewith will be smooth like no-show undies!
1 FREE exchange on eligible US orders
size inclusive (XXS-3XL)
patented, US Patent No. 12,357,039
more swim you'll love
traditional swimwear
vs. onewith swim
goodbye, tight seams and elastic. hello smooth, patented swim that fits like your favorite undies.
after
before
Edgeless... Better
Than Seamless!
dig-free + elastic free
Lay-flat, second-skin fit
why choose onewith?
2 layers of fabric, smoothly bonded, not sewn with seams that squeeze.
- RHRafaela H.Verified BuyerReviewingBellows Plunge High-Cut One PieceI recommend this productRated 5 out of 5 stars1 week agoBody tight
I love the control on my body. I’m heavy chested and this is exactly what I been searching for. I look out together in all the right places . I wish there were more colors .
- LALisa A.Verified BuyerReviewingBellows Plunge High-Cut One PieceI recommend this productRated 5 out of 5 stars2 weeks agoVery flattering and comforting
I love this swimsuit! It is very comfortable, I can be active in this and it keeps everything all contained. It is flattering for the stomach and gives a nice sleek look.
- JFJoan F.Verified BuyerReviewingBellows Plunge High-Cut One PieceI recommend this productRated 5 out of 5 stars4 weeks agoLove this suit
Ordered this suit after reading about it online. Said could be returned if not right so I figured I had nothing to lose. And I had thought for a long time about this very thing….. why didn’t some ,are a suit that fit like no show underwear.
Well let me tell you that this is exactly how this suit fits! I love it!! I will normally spend time worrying about how my bathing suit looks and where it is bulging. Not in this suit! I actually got compliments on how great the suit looked and where could they get one like it. I have already ordered two more!
- LSLeah S.Verified BuyerReviewingBellows Plunge High-Cut One PieceI recommend this productRated 5 out of 5 stars1 month agoJust buy it
This suit is amazing! It definitely has some tummy control built in- it’s a snug fit but makes your assets look amazing!!
I’m 5’5, 155lbs, generally wear a size 8-10, for reference.
frequently asked questions
does that strip inside your suits contain latex?
onewith can not guarantee that the inner grip strip inside of our suits does not contain trace amounts of latex. Therefore, if you have a latex or adhesive sensitivity/allergy, we recommend you exercising the same caution and sensibilities you would take in general when determining whether or not to use or wear a product that may contain latex or adhesive, should you have a known issue with these substances.
what size am I?
where are your suits designed & made, and what kind of fabric is it?
we are a US-based company; our suits are designed in North America and made in China. all pieces are made of 80% nylon, 20% elastane.
are your suits see-through?
our suits are 2 layers of fabric just like any other swimwear...it's just bonded, not sewn with tight seams, so that it lays flat on your skin like your favorite no-show underwear. with that, onewith is the same opacity as all other swimwear. if you are sensitive to ANY sheerness when wet, as with ALL swim, opt for a darker color.
when are you restocking?
sign up for restock notifications on the product pages of the item you want, and be sure to follow us on Instagram for the latest & greatest of all things onewith!
are your suits thin? like, will they cause 🐫toe?
our suits are 2 layers of fabric just like any other swimwear; it's just bonded, not sewn with tight seams. so while it may appear to be thinner, it is actually the same thickness of material as most traditional swim. so if you're worried about a case of 🐫toe, while we can't guarantee our suits are frontal-wedgie-free, so-to-speak as every person's body is different...we can say that there is no reason why our suits would cause it more than any other swimwear. if you're ever worried about anything showing through, a general swim tip is to opt for a darker color or a suit in a pattern.
why don't you have more colors/styles?
we design by demand and data. if we get enough requests for something & it stands to reason it might do well, we might just make it! for new color requests, please watch this video for more info on why we don't make a lot of colors.
if I don't know my size, can I just order multiple sizes and return what doesn't work?
⛔ bracketing + high-quantity first orders are STRONGLY discouraged: while we understand the desire to find your best size(s) and styles, ordering multiple variants of a piece with the intention of returning those that do not fit/suit you creates inventory issues for us as a small business, and also compromises hygiene best practices. we encourage conscious consumerism by way of small, mindful first orders. while we naturally love when you stock up on your fave swim once you know your best onewith size, please do so mindfully for our other customers' sake (that is, without the intention of returning extra sizes/styles). while this may be more permissible for an enterprise-level company, we ask that you consider how bracketing + large returns affect a small business, its customers, and the environment. returns of 4 or more pieces/customer will be subject to a processing fee of $15.95 in addition to the return fee.
what size am I?
in general we are true-to-size. please reference our size guide here. also, TAKE THE SIZE QUIZ! it is so helpful, we made sure of it :)
what happens if my swimsuit doesn't fit? can I return/exchage?
we offer a 14-day return/exchange policy on our swimwear. the 14-day window begins the day of carrier-confirmed delivery. A customer's first exchange is FREE so they can ensure they find their perfect onewith size. returns incur an $12.95 fee to cover shipping. returns and exchanges MUST come back to us in their original, unworn condition. read more about the onewith Return Policy here.
in general we are true-to-size. but please reference our size guide here.
⚠️ NOTE: ITEMS MARKED FINAL SALE + MYSTERY BUNDLES ARE ABSOLUTELY, POSITIVELY FINAL SALE. no returns, no exchanges, no exceptions.
i wear [this] bra size. what size top am i?
because we make swimwear that feels like underwear, our swim tends to be a great fit on so many bust sizes... from AA to J cup and beyond! check the product images to see our tops on a range of bust sizes. check out this blog post for a comprehensive guide on how to best pick your top size. pro-tip for choosing your onewith bikini top size: we don't size by cup! we'd recommend going with the same size top you would for a camisole.
Can I see a certain style on a body type similar to mine?
we offer lots of content of our swim on different bodies all over our site + socials! Namely, we have a onewith wearer gallery all of our product pages, our ‘plus size’, ‘try-ons’, ‘customers’, and fuller bust’ highlights on Instagram, the coverage/support meter on product pages,, size guide page, and more! we have so much content with lots of different representation.
do you ship internationally?
onewith is proud to offer international shipping!
all international sales are positively FINAL. no returns or exchanges are available for international orders.
shipping rate to your country is calculated at checkout, and is set by the carrier. in most cases, this rate also includes duties/customs! some exclusions may apply.
I placed an order and was charged, but can't find a confirmation
it's possible you only included a phone number for contact info when you placed your order. in this case, all order updates would be sent via text. if you're not able to find any order notifications via text, please check any other email addresses you have access to. if you're still not able to find the confirmation, please send an email to info@onewithswim.com and our team will be happy to assist you!
what's your return/exchange policy?
swim is an intimate garment, and therefore highly subjective and personal. for that reason, we believe it's only right to offer returns/exchanges for domestic orders on non-final sale items. however, your return/exchange must abide by the conditions outlined.
international orders are ALWAYS final sale.
exchanges
onewith offers 1 free exchange on eligible US orders within 14-days of carrier-confirmed delivery.
returns
onewith offers returns on eligible US orders within 14-days of carrier-confirmed delivery. Returns are subject to a restocking/shipping fee of $12.95. Additional fees may apply.
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