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  • close-up of women's period sports boxer
  • front view of women's period sports boxer
  • back view of women's period sports boxer
  • benefits of women's period sports boxer
  • breathable women's period sports boxer
  • close-up of women's period sports boxer
  • front view of women's period sports boxer
  • back view of women's period sports boxer
  • benefits of women's period sports boxer
  • breathable women's period sports boxer

Sports Period Boxer - No. 12

€34,95
Save

Leakproof, odor-resistant

Invisible protection

Certified PFAS-free by an independent lab

Official partner of Decathlon

Size : XXS

Size guide

XXS (12-14ans) XS (34) S (36) M (38) L (40) XL (42) XXL (44)
Tour de Taille (cm) 57 - 61 62 - 66 67 - 71 72 - 75 76 - 81 82 - 86 87 - 92
Tour de Hanche (cm) 77 - 82 83 - 87 88 - 93 94 - 99 100 - 105 106 - 111 112 - 117

Changement de taille : 100 jours pour essayer, retour simple et rapide.

Les tailles de nos maillots menstruels et sous vêtements menstruels correspondent au standard de taille européenne.

Quantity:

1 item

€34,95 /u

close-up of women's period sports boxer
-33%

2 + 1 free

€69,96 €104,85

€23,32 /u

close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
Most Popular
-40%

3 + 2 free

€104,85 €174,75

€20,97 /u

close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
Best Value
-50%

5 + 5 free

€174,80 €349,50

€17,48 /u

close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer
close-up of women's period sports boxer

We recommend at least 5 pairs for easy rotation.

Delivered between and

  • Pay in 3 interest-free installments

    no minimum purchase

  • Free shipping

    on orders over €49

  • Money-back guarantee

    Free exchanges for 100 days

Product description

The benefits of the No. 12 sports period boxer

Because no woman should ever have to sit on the sidelines during her period, we developed period boxer shorts suitable for all your sports activities !

  • Maximum comfort : feel at ease thanks to the stretchy, durable fabrics
  • Support : the elastic waistband keeps the sports period boxer perfectly in place
  • Absorbent : up to 3 tampons’ worth and 8h of absorbency
  • Wicks away perspiration : thanks to the mesh finishes, you’ll no longer feel damp!
  • A sporty design offering flawless protection by So'Stella

No more odors and uncomfortable perspiration with our sports range!

Why choose the So'Stella sports period boxer?

The No. 12 sports period boxer, your comfort partner for physical activity and total freedom of movement. The ideal sports period bottom, guaranteed leak-free throughout all your workouts. For comfort and discretion during team training, choose the No. 12 sports period boxer. 

The So'Stella range of period underwear was designed to offer you a comfortable, economical, and durable solution for your periods. No more odors and uncomfortable perspiration with our sports period protection! Also discover the No. 8 sports period briefs and for even more discretion, choose the No. 2 sports period thong.

In every situation and during your workouts, all women deserve to feel good during their period. So'Stella is committed to designing high-performance sports period underwear for women and teenage girls.

Benefits

  • Wears like regular swimwear
  • Ultra comfortable, no need for extra protection
  • Absorbs the equivalent of 3 to 4 tampons depending on flow, for up to 8 hours
  • 100% invisible, no extra layer, no string showing
  • Odor-resistant and antibacterial
  • Resistant to chlorine, salt water, and UV rays
  • Reusable for 5 years
  • Free from harmful substances and PFAS, tested by an independent lab

Composition

Matière Principale : 88% Nylon recyclé, 12% spandex + Mesh*

Membranes Internes : 75% Fibre de bambou et 25% Polyester, Breathable TPU

Designed in France 🇫🇷

*mesh : type de tissu solide et élastique en maille très fine. Textile micro-aéré permettant d’évacuer la transpiration

Shipping & returns

Shipping in Europe:
Orders placed before 12 p.m. ship the same business day from our warehouse.

  • Standard delivery - 3 to 6 business days, €4 (free on orders over €49)

Returns:
You have 100 days to make a return, whether for a size exchange or a refund. The process is quick and easy.
Exchanges are free.

Sustainability

Disposable pads, panty liners, and tampons are among the leading sources of plastic pollution worldwide.

During our reproductive years, we each use between 10,000 and 15,000 of these disposable products.

Sustainable alternatives like period underwear and period swimwear completely replace these disposables.
They help reduce the environmental impact of disposable products.

Care guide

Sorio reusable period products are washed in three simple steps:

1. Rinse in cold water until no more blood comes out. If there are stains, you can use a mild soap.

2. Machine wash on a delicate cycle (max 30°C / 86°F).

3. Air dry if possible.

Tip:
Don't use a dryer, fabric softener, or bleach. They would reduce effectiveness and shorten the product's life.

Excellent
rated 4.7

PFAS-free, lab-tested

Zero-leak guarantee

Invisible, no diaper effect

Peace of mind, even in the water

Up to 8 hours of peace of mind

How does it work?

Video
  1. The honeycomb layer

    Keeps you feeling dry. This honeycomb layer lets blood pass through to the layers below. It is also hypoallergenic and antibacterial.

  2. The absorbent fabric

    A technical absorbent layer that captures and channels blood. Offers high absorption capacity.

  3. Flowlock™ reinforced waterproof membrane

    Keeps water and blood from mixing. This protection is leakproof.
    Blood stays trapped in the swimwear and water can't get in.

250,000+ customers already trust SORIO

  • Marie M.

    This is my 3rd order from Sorio. Good quality. True to size. Responsive customer service.

    Source: Trustpilot

  • Aline A.

    Comfortable, excellent-quality swimsuit. Effective. Fast shipping, great tracking.

    Source: Sorio website

  • Sophie F.

    Perfect size, the fabric and protection are top-notch. I spent hours swimming and at the beach with no leaks and no feeling of being wet. The swimsuit doesn't balloon. Perfect, I recommend it!

    Source: Decathlon

  • Oleron

    I was very skeptical when I ordered this swimsuit, I didn't really believe in it

    But in the end, a big surprise: this swimsuit really works during that time of the month, no leaks and no discomfort

    Worry-free swimming guaranteed in every situation

    Source: Amazon

  • Debora S.

    Gorgeous, the fit is perfect and it looks great on me! I bought it for my daughter! She loved it.

    Source: Sorio website

  • Priscilla C.

    Very fast shipping, I received my swim bottoms in just a few days. The size matches the size guide and the fabric is exceptional, it really looks like regular swimwear. So far I'm very satisfied.

    Source: Trustpilot

Why is Sorio the best choice?

Another brand

Flowlock™ reinforced leak barrier

Absorbs flow without absorbing water

Doesn't balloon, even after a long swim

PFAS-free, verified by an independent lab

Anti-chlorine and UV-protective fabric

Up to 8 hours of protection

Yes

Varies

Value for money

OUR RETAILERS

They trust us too

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3 Suisses, distributeur des maillots de bain menstruels Sorio Image
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Fitancy, distributeur des maillots de bain menstruels Sorio Image

Customer Reviews

Overall rating: 4.9 / 5 from 25 reviews.

C'est mon premier boxer menstruel et je suis conquise. Je l'ai porté pendant une longue randonnée et je me suis sentie à l'aise tout du long. Très pratique pour les journées actives !

Boxer Menstruel de Sport - Le N°12

Très bonne découverte, le boxer est doux et ne serre pas au niveau du ventre. Je le porte aussi bien à la salle qu'au quotidien

Boxer Menstruel de Sport - Le N°12

J'avais un peu peur de la sensation pendant l'effort, surtout quand je transpire beaucoup. Finalement, le boxer est très agréable et je ne ressens pas de gêne. Je suis contente d'avoir tenté !

Boxer Menstruel de Sport - Le N°12

Très agréable à porter ! Je l'utilise pour mes séances de running et je me sens vraiment à l'aise. La coupe boxer est un vrai plus

Boxer Menstruel de Sport - Le N°12

Super confortable ! Je le porte pour mes séances de Pilates et il reste bien en place. Je suis ravie de mon achat

Boxer Menstruel de Sport - Le N°12

Je fais du cross-training plusieurs fois par semaine et j'avais du mal à trouver une protection qui ne me gêne pas pendant les squats et les mouvements au sol. Avec ce boxer, je suis beaucoup plus tranquille. Il ne remonte pas et ne me serre pas les cuisses. Une belle découverte !

Boxer Menstruel de Sport - Le N°12

Je cherchais depuis longtemps une protection menstruelle adaptée au sport. Ce boxer est exactement ce qu'il me fallait, surtout pour mes séances à la salle ! donc c'est un succès!

Boxer Menstruel de Sport - Le N°12

Franchement top ! Il est confortable, discret sous mes vêtements de sport et ne me gêne pas pendant mes entraînements. Rien à redire.

Boxer Menstruel de Sport - Le N°12

Franchement, j'adore ! Zéro fuite pendant mes séances de sport, j'en avais pris deux et zéro regret

Boxer Menstruel de Sport - Le N°12

Je l'ai acheté pour remplacer mes protections habituelles pendant le sport et je ne regrette pas. Il est doux, confortable et reste bien en place pendant mes séances de sport

Boxer Menstruel de Sport - Le N°12

J'avais peur qu'il soit trop épais sous mon legging, mais pas du tout. Il est agréable à porter et je me sens à l'aise pendant mes séances de sport

Boxer Menstruel de Sport - Le N°12

Super boxer ! Je le porte aussi bien pour aller à la salle que pour mes journées chargées. Très pratique.

Boxer Menstruel de Sport - Le N°12

Très satisfaite ! La matière est agréable et la coupe couvre bien. Je recommande à celles qui préfèrent les boxers aux culottes classiques.

Boxer Menstruel de Sport - Le N°12

Testé pendant mes entraînements de fitness et complètement adopté. Il ne remonte pas et reste confortable même quand je bouge beaucoup

Boxer Menstruel de Sport - Le N°12

Bonne qualité et coupe confortable. Je l'ai testé pour mes cours de danse et il me convient parfaitement.

Boxer Menstruel de Sport - Le N°12

Ma fille fait du handball et se plaignait de transpirer dans les culottes classiques en coton. Lors de sa dernière séance elle a utiliser le shorty et n'a eu aucun soucis. je suis contente de lui avoir trouver une solution qui lui correspond !

So'Stella® | Boxer Menstruel de Sport - Le N°12

Need help?

Our customer service team is available Monday to Friday, 8:30 a.m. to 5 p.m. (CET), at contact@mysorio.com.

Frequently asked questions

What size should I choose?

Choose your usual swimwear size.

The size guide is just above the size selector, with exact measurements for each style.

How much can it absorb?

Our swimwear absorbs the equivalent of 3 to 4 tampons, depending on the absorption level you choose, and protects you for 8 hours.

And if you don't know your flow, our calculation guide helps you figure it out in one cycle.

Does it absorb water and balloon in the pool?

No. That's the key difference from regular period underwear.

The waterproof layer forms a barrier between blood and the water outside: flow stays inside, water stays out. The crotch doesn't balloon or get heavy, even after a long swim.

Can people tell it's period swimwear?

No. The absorption technology is built into the fabric and is only a few millimeters thick.

No diaper effect, no visible bulk: from the outside, it looks like any other swimwear.

How do I care for it?

Rinse it in cold water after each use until the water runs clear, then machine wash it at 30°C (86°F) max, in a laundry bag.

No dryer, no fabric softener, no iron: they would damage the absorption technology. Air dry. Everything is explained in our care guide.

How long does it last?

Several years with proper care. The fabrics are anti-chlorine and UV-protective to stand up to both the pool and the sun.

We recommend having at least two, so you can rotate them and let each one dry completely.

What are the shipping times and return terms?

Orders placed before 12 p.m. ship the same business day. Free shipping on orders over €49.

You have 100 days to change your mind. You can request a return from this page.