Total game changer
Wore these on vacation and felt completely secure the entire time. No leaks, no bulk, and you can't tell at all under my swimsuit.
Leak-proof and odour-free
Up to 12h of protection
Machine washable
30° without fabric softener
Reusable
For 5 to 7 years
Ultra-discreet protection
No bulky feel
The Sybille period swimsuit lets you swim with total peace of mind during your period, with no tampon or cup. Its patented 4-layer technology absorbs the equivalent of 3 tampons while staying 100% invisible — indistinguishable from a regular swimsuit.
Designed with textile engineers and gynaecologists, tested in chlorinated pools and seawater.
Delivery: Ships within 5 to 7 business days to the US. Free shipping on orders over $60.
Returns: 30-day satisfied-or-refunded guarantee — even worn, even washed. If the size does not fit, free exchange. Contact us via the form on our website.
No fabric softener, no tumble dryer, no bleach — to preserve the absorbent technology.
Outer: 86% recycled nylon, 14% elastane — soft, chlorine-resistant, eco-friendly.
Built-in 4-layer technology:
On average, a person uses 17,000 disposable products over their menstrual life — that much plastic waste ending up in the oceans.
A single Sybille swimsuit, used for 5 years, replaces around 1,000 tampons. Washable, reusable, no single-use plastic. It's good for you and for the planet.
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Wore these on vacation and felt completely secure the entire time. No leaks, no bulk, and you can't tell at all under my swimsuit.
I used to skip the pool on my period. Not anymore — these are absorbent, soft and super discreet.
The material is so soft and holds up great after washing. Best period swimwear I've bought, hands down.
Swam all day with zero leaks. They fit perfectly and feel just like a regular swimsuit bottom.
Comfortable, flattering and you genuinely cannot see a thing. I feel so much more confident now.
Stayed in place while swimming and at the beach. Dried fast and no bulky diaper feeling at all.
She loves them and finally feels comfortable swimming during her period. Highly recommend to every mom.
Lightweight, secure and totally invisible under my bikini. Already ordered another pair!
Ils parlent du maillot de bain menstruel
Développée avec des ingénieurs textiles et des gynécologues : aussi fine qu'un maillot classique et avec la meilleure absorption du marché.
Quel maillot menstruel est fait pour toi ?
Réponds à 2 questions et découvre le modèle qui correspond à ta morphologie et ton flux.
Quelle protection utilises-tu d'habitude un jour de règles classique ?
Les jours où ton flux est au plus fort, tu changes ta protection…
Tout savoir avant d'acheter
I was so nervous about wearing a swimsuit during my period on vacation, but these bottoms were a total game-changer. Zero leaks and the fit is amazing. Wish I'd found them sooner!
Comfortable, flattering and genuinely leak-proof. I've worn them swimming twice now and felt totally secure. The color is gorgeous too.
Bought these for my teen and she's so much more confident at swim practice now. Awesome quality and they wash great.
Was skeptical at first but these are excellent. Discreet, comfy, and no dealing with tampons at the beach. Highly recommend.
The fabric is so soft and the high waist is super flattering. I felt secure all day at the lake.
True to size and the protection is on point. Took them on a girls' trip to Florida and never worried once.
I have heavy periods and was worried, but no leaks at all. Customer service was super sweet too.
Beautiful swimwear that actually works. Already buying the matching top!
Shipping was fast and the quality is way better than I expected. These are now my go-to for the pool.
Exclusive offer
Add our waterproof pouch to your order — perfect for carrying your wet swimsuit home after the beach.

Waterproof Sleeves
$9.90