Customize pack

Size guide

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To choose the right size, measure your pelvis (at the level of the hip bones, see diagram opposite) and refer to the chart below:

Your pelvis
size (cm)
Size
internationnal
Size EU Size IT Size UK
76-78 10/11 yrs 10/11 yrs 10/11 anni 10/11 yrs
79-81 2XS・12 yrs 32 38 6
82-86 XS・14 yrs 34 40 8
87-91 S・16 yrs 36 42 10
92-96 M・18 yrs 38 44 12
97-101 L 40 46 14
102-106 XL 42 48 16
107-111 2XL 44 50 18
112-116 3XL 46 52 20
117-121 4XL 48 54 22

Top

Which absorption to choose?

Our period pants are available in 3 levels of anti-leak absorption, so you always have the right underwear for your flow.

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LIGHT

Equivalent :

  • 1 to 1,5 pads (10ml)
  • 1 towel
  • 0.5 cup

sisters-republic-uk

MEDIUM

Equivalent :

  • 2 pads (15ml)
  • 2 towels
  • 1 cup

sisters-republic-uk

SUPER

Equivalent :

  • 3 pads (20ml)
  • 3 towels
  • 2 cup

ESSAYER AVANT D'ACHETER

30 JOURS POUR ESSAYER AVANT D’ACHETER

1 - Choisis tes articles

Ajoute au panier tes articles dans la limite de 500€. Tu peux les essayer chez toi sans avancer d’argent.

2 - Sélectionne essayer avant d’acheter

Sélectionne Elyn au moment de finaliser ta commande à l’étape du paiement. Entre tes coordonnées comme pour un paiement classique, mais aucune inquiétude tu ne sera pas débité(e)*.

3 - Essaies tes articles à la maison

Profite de 30 jours après la réception de ta commande pour te décider et pour nous faire part de ton choix. Tu ne seras ensuite uniquement débité(e) des articles que tu souhaites garder. Tu as même la possibilité d’essayer une culotte gratuitement en conditions réelles pendant 30 jours. Ce n’est valable uniquement que pour ton tout premier achat et cette offre n’est valable que sur une seule culotte déjà portée. La ou les autres culottes doivent être essayées par dessus tes sous-vêtements.

*hors frais de livraison si applicable.

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FREE DELIVERY FOR ORDERS ABOVE £34 (in the UK) 😍 No customs duties 😍

STUDENTS ? -15% DISCOUNT ALL YEAR ROUND Read more

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Need to test for real BEFORE BUYING?

We understand that it's safer to try before you buy. That's why we're offering you the chance to test our Sisters Republic panties for 60 days. And, if you're not convinced, we'll give you your money back, no questions asked. But we're sure you'll love them 😎 !

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+ Over 200,000 Sisters have already been won over by the quality of our panties!

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why choose sisters ?

Sisters Republic UK

Free delivery from £34

The Sisters will deliver to your home for free within 48 to 72 hours for orders over £34! Offer only valid in U.K. For all delivery details and conditions, please consult the “Payment and delivery” section.
Sisters Republic UK

30 days to change your mind

Did you order the wrong size? Or perhaps the wrong style? Did you just change your mind? Don't panic! With Sisters Republic, you have the option to return your item(s) within 30 days. To be sure your return is accepted, please make sure you comply with all the terms and conditions listed on the “Returns and Refunds” page.
Sisters Republic UK

Made with ORGANIC cotton

All our fabrics, laces, and elastics are either certified organic cotton or OEKO-TEX standard 100 (the same as for newborns). They are therefore guaranteed to be free of any substances that are harmful to the body and the environment.
Sisters Republic UK

2,275 tampons saved

A single pair of Sisters Republic panties lasts from 5 to 7 years if you take good care of them. And in 7 years you'll have saved 2275 tampons: 5 tampons/d over 5d of periods, 13 times in the year (365/28 = 13) over 7 years = 2275. Ain't life grand 🌞? Obviously, you need several panties for one cycle, but this is just to give you an idea of the savings you can make for your wallet and for the planet.

why choose sisters ?

Sisters Republic UK

Free delivery from £34

Read more
Sisters Republic UK

30 days to change your mind

Read more
Sisters Republic UK

Made with ORGANIC cotton

Read more
Sisters Republic UK

2,275 tampons saved

Read more

Save money by choosing the menstrual panties pack.

Choose or compose your own pack of menstrual panties. Menstrual panties offer many advantages as a means of protection and hygiene. Comfortable and leak-proof, they're the healthiest alternative for taking care of your intimate hygiene during your menstrual cycle.

Beyond comfort and waterproofs, menstrual lingerie is an ecologically sustainable and economical choice. No more chemical pads or tampons.

And to make sure you're equipped and comfortable throughout your cycle, day and night, Sisters have designed packs of 3 to 7 panties for extra savings.

Choose your pack

The Sister's team has designed different packs to accompany you through your period.

The Starter pack is perfect for getting started with your new protection. It includes 1 super-absorbent Ginger boxer for the first few days of your period or during the night, 1 Colette panty with Medium absorption, ideal for mid-cycle, and a Sidonie bikini with Light absorption for the last few days of your period.

Who says you can't be sexy during your period? In the Girly Pack, you'll have 3 refined bikinis with lace trim. The first is Super absorbent for the first few days of your period, or on days when your flow is a little heavier, and 2 other bikinis with Medium absorption for other days.

More like classic panties? The Classic pack includes 3 ultra-comfortable menstrual briefs in a classic shape, but just as refined with their little ruffles at the waist. 1 super-absorbent Colette menstrual panty and 2 panties of the same model with Medium absorption.

For each of our packs, you can choose between 3, 5 or 7 panties. Other packs are available on this page, such as the Integral pack for 5 to 7 years of peace of mind.

Compose your pack by choosing the models of your choice.

None of the Sisters packs suits you? Compose your own pack of period panties and take advantage of a 10-20% discount.

For a single pack, you can choose not only several panty models, but also different degrees of absorption for the latter, so you can adapt your protection to your flow at different times of your cycle.

By opting for a pack, you'll benefit from 10 to 20% savings :
- 10% off for 3 pairs of panties
- 15% off for a pack of 5
- and 20% off for a pack of 7.

A smart choice for ordering with friends, since you can also mix panty sizes in your order.

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