ALREADY 200,000 SISTERS WON OVER BY THE EFFECTIVENESS OF OUR MENSTRUAL PANTS
It‘s a whole new lifestyle…
"I only got the period underwear recently, so my experience is not a long term one yet, but I absolutely love them! I genuinely feel like a whole new person during my period, because it feels so much better than everything else. I can move without feeling like I'm gonna leak or everything falling out of place, I feel light, and my mind is a lot calmer."
Best choice ever!
"I totally recommend them! I had been wanting to try "period panties" for some time but wanted to make sure to get the right one for me and now I am sure I made the right choice! So far so good, I really like Sisters Republic pants because they are super confi, discreet and girly-like. I bought 3 of them and I know it can be pricey enough...but I really think it is worth it as the quality is really good and they are so easy to clean. But most importantly, I like them because I they are environmentally friendly and I know I am contributing to less use of pads and tampons that are toxic for the planet…"
"I was afraid about the size but fits perfectly and nice looking panties. It’s best to buy 3 panties directly as it takes time to dry after cleaning (at least 1,5 day) It’s a new organisation that’s really interesting once we have it as it allows not to get scared to be out of protection. I found it easy to rince and clean."
Nice work !
"The Sisters Republic departure promise is clearly being kept. Comfortable, very absorbent and invisible! It is a great alternative to tampons or napkins, more hygienic and more ecological! I highly recommend the Republican Sisters panties which are really great!"
It’s the ecology. Period.
"I bought these for my daughters who are scouts. Not only are they helping the planet (as girl scouts should) but they also enjoy a new found comfort and ease during their periods. So happy that we are finally evolving from pads directly to panties. Thank you Sisters!"
Comfy and reliable
"When i have my period, all i need is comfy and secure. My new panties Sisters Republic are just like that : have my back for 24h hours (never tried longer), very comfy and cute as hell."
top for the night
"I only use them at night for the moment because I haven't dared to leave all day with but really what happiness !! no need to stress anymore because of the tampon that we leave too long at night or to have the diaper effect with a maxi night towel. Now I just put on my comfortable panties and go to sleep! "
I love my new period shorts!
"I love my new period shorts! I've been looking for shorts because there aren't that many shops where ypu can buy shorts, it's bikini most of the time. I bought 2 medium absorbant & 2 super absorbant and both work really well, I already tested them! Leakproof, comfy, good fit!"
Very happy with the panty.
"The Panty is comfortable and looks also nice. I use it for the beginning and end of my period. This is working very good and I am using less tampon and other regular period stuff. I am very happy with it and going to buy another one."
Cannot change once adopted
"So I have been a fan of the cup for several years, especially out of ecological conviction. So I naturally wanted to test the Sisters Republic period panties for the same reasons and I admit that I am more than convinced because, even if I had learned to organize myself with the cup, the real plus for me of these panties that's the practical side, no need for a sink nearby, no need for sterilization or anything. I put on my panties in the morning and rinse them at night and run a machine directly with my laundry. I feel that my cup will often stay in the cupboard!"
WORRY FREE PERIOD UNDERWEAR
Thanks to our 3 levels of absorption, you can choose the right period underwear for your current flow and enjoy life worry-free!
The ultra-absorbent fabric draws moisture away from the surface to keep you dry and comfortable.
Unlike sanitary pads, which can be made from up to 80% plastic, our underwear means you can go right through your day with no risk of odours.
zero TOXIC SUBSTANCES
All the fabrics used in our underwear are either certified organic cotton or OEKO-TEX standard 100 and are therefore guaranteed to be free of harmful substances to you and the environment.
Our period underwear can be washed and reused for many years, which means less waste for the planet.
The amount we spend on sanitary products every month adds up. Stop throwing money away on items you throw out. Our period underwear lasts between 5 and 7 years, helping you to save money. A single menstrual panty can save you 2,275 tampons over 7 years.
How does it work?
1. BREATHABLE ORGANIC COTTON LINING
2. ULTRA-ABSORBENT, ANTIBACTERIAL FABRIC
3. LEAK-PROOF WATERPROOF FABRIC
The effectiveness of our panties has been tested under independent gynecological supervision.
View study results
All our models are available in
3 degrees of absorption
1 to 1.5 pads
Why is organic cotton lining so safe for me and the environment?
All our menstrual briefs are lined on the inside with GOTS-certified organic cotton, so that the fabric's contact with your private parts is soft and 100% safe for your health.
Our ORGANIC cotton is also highly breathable, rapidly draining the flow inside the menstrual panty to ensure a dry feel on the surface and avoid the odors that can occur with sanitary pads, which are often made of over 80% plastic (a non-breathable material that encourages maceration and the proliferation of bacteria, and therefore odors).
Organic cotton also enables us to limit the environmental impact of our menstrual panties, since cotton cultivation is responsible for almost 25% of pesticide use worldwide.
The rest of our fabrics, laces and elastics are Oeko-Tex certified, i.e. guaranteed free of substances harmful to the body and the environment.
Our washing tips
Taking care of our menstrual panties is ultra-simple:
1 - After use, rinse under cold running water until the water runs clear.
2 - Machine wash at 30 °C with the rest of the laundry (or hand wash in lukewarm water).
3 - let it air dry
For more details, go to the "Washing and care" page at the bottom of the 👇🏻 website.
why choose sisters ?
Free delivery from £34The 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.
60 days to change your mindDid 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 60 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.
Made with ORGANIC cottonAll 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.
2,275 tampons savedA 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 ?
Free delivery from £34
60 days to change your mind
Made with ORGANIC cotton
2,275 tampons saved
The menstrual guide
What are your tips for a first try?
For the first time, we advise you to try out menstrual panties at home, starting from the 3rd day of your period. Then, if all goes well, and you feel comfortable, go and use your panties at work or school all day long, even on the heaviest day if you don't have bleeding periods (copper IUD, endometriosis, hormonal imbalance, etc.)! And don't forget, for your 1st pair of panties, you can take advantage of the "Satisfied or your money back" offer, details at the bottom of the 👇🏼 website.
How do I choose my size and degree of absorption?
Regarding sizing, we're known to run true to size, so it's best to take your usual size. You can also refer to the size guide on the product pages. If you're between 2 sizes, take the larger one, as we don't like to be tight when we're on our period.
As regards the degree of absorption, as the flow changes during your period, it's best to have 2 pairs of SUPER panties for the heaviest day and night periods, MEDIUM for the middle of your period and LIGHT for the very beginning or end of your period. If you only want to take one, take SUPER (because who can do more can do less 😉 ) unless you're on a contraceptive that greatly reduces menstrual flow, in which case MEDIUM may suffice.
How long can I wear my menstrual underwear?
The vast majority of women can wear their Sisters Republic menstrual panties for 12 hours at a time, including on the day of heaviest flow. For some women who have a very heavy flow (copper sterile, endometriosis, hormonal imbalance, certain teenage periods...), it will be difficult to keep the panties on for 12 hours on the day of heaviest flow, and you'll probably have to change panties during the day to avoid the feeling of wetness. Alternatively, you could start the day with an internal protection such as a cup or tampon and end it with just the panties. In any case, even women with the heaviest flows can normally keep their panties on all day on other days.
Do I need to wear a tampon or pad in addition to my panties?
No, you don't have to use anything else, because our menstrual panties absorb the equivalent of one and a half tampons (for LIGHT versions) to 3 tampons (for SUPER versions).
However, if you have hemorrhagic periods (copper IUD, endometriosis, hormonal imbalance, certain teenage periods...) and you'd like to wear extra internal protection for safety on your heaviest day, that's obviously possible.
How does Sisters Republic ensure ethical manufacturing?
From the selection of our factories to the assembly of our panties, we are guided by a desire for transparency and the most ethical production possible. All our fabrics, laces and elastics come from the Mediterranean basin (Spain, Italy, Portugal, Turkey) and are either GOTS-certified organic or Oeko-Tex-labeled, i.e. certified free of all substances harmful to the body and the environment. Our menstrual panties are designed in France, in our Paris offices, then assembled in Morocco in our BSCI-certified workshop (the Business Social Compliance Initiative is an organization that audits companies to ensure good working conditions for employees in terms of wages, vacations, safety...).
What are the delivery times and return terms?
Your order will be prepared within 24 hours. Then, in metropolitan France, delivery times are 48 to 72 hours depending on the day of the order and the shipping method chosen. Before placing your order, you will be given an estimated delivery date. For further information, please consult the "Payment and delivery" section at the bottom of the 👇🏻 website.
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