Skip to content

High-waisted period underwear

Absorbency
Sale price349,00 kr
BESTSELLER

Formerly known as Flow 1, designed to feel like your favourite briefs – but with built-in protection.

✓ Our original and first style - still the best-seller
✓ High-waisted design with good coverage
✓ "Feels like a hug for your tummy" according to you
✓ Flexible and airy mesh panels on the side
✓ Machine washable
✓ Style name: Period Flow Brief - high rise (mesh)

SIZE GUIDE

100% Satisfaction Guarantee

We'll guide you and give you a new pair of underwear - if that doesn't work either, you'll get your money back.

Loved by +20,000 women

We are made by menstruators
for menstruators

4.7 on Trustpilot

"The best panties on the market!"

Buy 5 - save 20%

You can mix and match
to suit your needs

We deserve better

Why choose period underwear from Flow?

After two fertility treatments and two births, I no longer wanted to use menstrual products that had to go inside my body - I wanted to be able to bleed in peace.

That was the beginning of Flow - the first menstrual underwear on the Danish market.

Today, we make menstrual underwear with a focus on comfort, quality, and responsible production - created by people who themselves menstruate.

✔️ Soft, skin-friendly materials
✔️ Different absorption levels
✔️ Comfort like regular underwear
✔️ A more environmentally friendly alternative to disposable products

Our mission is to make menstruation more liberating, secure, and less cumbersome - without compromising on style or function.

Sincerely, Cathrine

What we are most proud of

5 great reasons why you'll love us

HEART ALWAYS FIRST

We are also here to create greater changes than just in your daily life.
Our founder changed Danish legislation in 2021 by having the age limit on frozen eggs removed.
In 2025, we created the Red Flag campaign, which secured the Danish women's national handball team the right to wear dark shorts during the World Cup. And we will continue.

SAFETY AND SECURITY IMMEDIATELY THEREAFTER

Despite the lack of legislation and safety requirements for menstrual products in the EU, we do not hesitate to take responsibility. We do not use PFAS, nanosilver – no magical "stay fresh" treatments of the absorbent layers. We third-party test our period underwear for chemicals and use innovation without compromising your safety to eliminate odours.

PREMIUM PRODUCTION

We produce in Portugal, Denmark, Lithuania, and Turkey – and always with the best materials such as organic cotton, organic merino wool, and ECONYL®.


Our partners are the best in their respective fields, and several of our factories are GOTS-certified, which sets requirements for employee welfare.

BY PEOPLE WHO MENSTRUATE, FOR PEOPLE WHO MENSTRUATE

We create products that we ourselves need – and test them thoroughly (so yes, they are tested with real menstrual blood). In addition, we have a test panel consisting of hardcore and dedicated members from our community who take the task seriously.


Join here.

MORE THAN MENSTRUATION

We know it. It's about much more than menstruation. It's about a body in change – throughout the entire cycle, month after month.

That's why we're redefining what 'period products' are beyond a practical solution. The best-rated absorbent underwear, sure, but also care that supports you and your body throughout the entire cycle.
That's Flow Cycle Routine.

  • Fantastisk behagelig pasform, ingen bleefølelse som andre mærker
  • Super pasform, sidder rigtigt, så ingen bekymringer om lækage. Virkelig godt!
  • Aldrig følt mig mere sikker, feminin og behagelig under menstruationen
  • 5 stars: 121 (74%)
  • 4 stars: 34 (21%)
  • 3 stars: 8 (5%)
  • 2 stars: 0 (0%)
  • 1 star: 1 (1%)
Some of the reviews shown are from related products the merchant grouped with this one.
S
Simone
S
Produktet bruges til: Menstruation
Hvordan matchede din forventning til sugeevnen virkeligheden?: For lav
Hvordan passede størrelsen?:
Lille i størrelsen
Stor i størrelsen
Behagelig

Behagelig og tilsvarende billeder og beskrivelse.

A
Anonym
XL
Produktet bruges til: Menstruation
Hvordan matchede din forventning til sugeevnen virkeligheden?: Rigtig fin til mig
Hvordan passede størrelsen?:
Lille i størrelsen
Stor i størrelsen
Foreslag til forbedring eller ønsker i fremtiden: Lad være med at ændre dem for meget, de er perfekte som de er!
Fantastisk behagelig pasform har brugt disse det sidste års tid og de er så rare at have på

Fantastisk behagelig pasform har brugt disse det sidste års tid og de er så rare at have på. Slet ingen ble-følelse som jeg har prøvet med andre mærker.

B
Bodil
L
Produktet bruges til: Inkontinens
Hvordan matchede din forventning til sugeevnen virkeligheden?: Rigtig fin til mig
Hvordan passede størrelsen?:
Lille i størrelsen
Stor i størrelsen
God pasform

Sidder utrolig godt

A
Anja S.
S
Produktet bruges til: Menstruation, Udflåd og pletblødning
Hvordan matchede din forventning til sugeevnen virkeligheden?: Rigtig fin til mig
Hvordan passede størrelsen?:
Lille i størrelsen
Stor i størrelsen
Super pasform og de sidder til på den rigtige måde

Super pasform og de sidder til på den rigtige måde, så der er ingen grund til at være nervøs for at bløde ved siden af. Rigtig gode!

L
Louise H.

OBS: kan kun vaskes på 30 grader. Men sidder perfekt 🌸

R
Rikke J.

Dejlig pasform, som følger kroppen.
Bedst på dag 1 eller 3+ ifht. Absoberingsevnen. Flot i sort

M
Maria J.

Føler mig så meget bedre tilpas under mine menustartioner. Ingen bind, der rykker sig eller føles “unaturlige” i trusserne. Kæmpe anbefaling❤️

G
Guro

Bra absorberingsevne

A
Amalie N.

Flot og dejlig at have på. Bunden kradser dog lidt, hvis jeg cykler med dem på.

L
Lene B.

Bløde, lækre og er som et varmt kram de dage hvor jeg virkelig har brug for det.
Super flotte og farven er spot on. Ville ønske de også fandtes som almindelige trusser♥️🩸

A
Alma

Overordnet set rigtig gode! Desværre bløder jeg lidt igennem i kanten, da kanterne ikke virker til at have samme sugeevne.

E
Eva H.

Jeg har anbefalet dem til min omgangskreds, og de sandfarvede og jordfarvede egner sig til at have under lyse bukser.

E
Eva H.

Jeg har anbefalet trusserne til min omgangskreds.

E
Eva H.

Har anbefalet dem til flere. Meget behagelige at have på. Ville være perfekt (5 hjerter), hvis "indlægget" gik højere op bagtil.

T
Tine O.

Dejligt du ikke kan mærke blodet i underbuksen selv på de første par dage af blødningen, hvor der kan komme mere. Trussen har ligesom en lomme til blodet, så du ikke mærker det efter du har tisset, hvilket jeg godt kan have en fornemmelse af med et blodigt bind. Kunne godt ønske lidt løsere bånd rundt om maven. Selv med 2XL sidder det stramt om maven især sidst på dagen

S
Sørine B.

Jeg er bare ægte vild med de her trusser. Jeg føler mig pæn, når jeg har dem på, samtidig med at de holder tæt. De sidder som et rart kram om maven.

B
Bodil L.

Sidder som støbt! Sidder til, men er virkelig behagelige uden at stramme. Elsker pasformen.

M
Mette G.

Fantastisk comfort og sugeevne - kan varmt anbefales.

H
Hanne K.

Rigtig lækker og behagelig trusse.
Den sidder rigtig godt og giver bare mere tryghed.

C
Celine

Jeg elsker disse trusser som sidder helt perfekt

N
Nina N.

Et godt produkt der sparer en masse affald i naturen. Har prøvet flere af flows period pantys og dette er min favorit-model.

C
CR

Vidunderlige bløde behagelige. Samt virkelig effektive.

V
Vibeke L.H.

Elsker dem, for første gang nogensinde, føler jeg mig fin under min menstruation.
Men et godt råd, er at bruge kop i de dage, man bløder mest, der er det ikke helt nok med kun trusserne :)

S
Sofie S.

Gamechanger!
Jeg har menstrueret i snart 30 år og hver eneste måned har det været et træls show. Jeg tåler ikke engangsbind ret godt og en kop har jeg ikke kunnet få til at fungere. Men de her menstruationstrusser, de er simpelthen geniale! Min hud "dernede" er holdt op med at klø, alle underlivsgener er væk, og bedst af det hele, så sover jeg trygt uden at bekymre mig og føler mig ikke længere "klistret" under min menstruation.
Jeg vil anbefale dem til alle menstruerende kvinder, de er simpelthen en gamechanger.

C
Cecilie

Har ikke prøvet dem med mens endnu men efterfødsel har de været geniale, når der ikke er så meget.

S
Signe P.

Favoritmodel og -farve fra Flow Intimates. Synes meget godt om :-)

L
Louise H.

Lidt store i størrelsen - mest på numsen. Men behagelige i elastikken og ellers.

C
Camilla
Pæn, diskret og fuldt beskyttende!

Helt klart min yndlings trusse fra Flow! Jeg har prøvet et par andre, udenlandske, mærker, og Flow er en rigtig god konkurrent på både design og komfort. Den er både pæn og diskret samtidig med fuldt beskyttende. Jeg kan også godt lide, at de ikke føles ble-agtige, da suge stykket ikke går helt op ad ryggen — sådan som jeres andre styles gør. En lignende style med normal talje ville være perfekt også!

L
Line P.
Virker upåklageligt

Det er 9. par jeg køber af denne model, og jeg bruger dem også, når jeg ikke menestruerer.
De er så gode at have på og virker upåklageligt.
Eneste anke er, at jeg på flere par har oplevet, at de går op i syningen mellem elastikken og “mesh”-stykket. Selvfølgelig ikke med det samme, men måske lidt før forventet i forhold til prisen.

A
Alina T.
Super comfy og effektiv

Super lette og komfortable trusser. Føler mig enormt beskyttet i dem:)

E
Emilie D.
Den bedste trusse på markedet

God og hurtig service

Need help?

Most asked questions about period underwear

High-waisted period underwear – Our classic since 2021

The Period Flow Brief – High Rise is the period brief that started it all. Since 2021, it has been a favorite among thousands of women and has become a wardrobe staple for those who want comfort, security, and a timeless design throughout their period.

The high waist hugs the body softly and almost feels like a gentle hug around the stomach, while the characteristic mesh panels on the sides provide lightness, flexibility and good freedom of movement.

 

Understand our high-waisted menstrual panties:

  • Period Flow Brief – High Rise (Flow 1) = the iconic classic with mesh, sporty look and the well-known Flow identity.
  • Period Flow Brief - High Rise - Soft collection = the ultra-soft premium version in organic cotton with a focus on materials and extra comfort.

Comfort you'll want to wear all day

A good menstrual cup should be something you forget you're wearing.

That's why Period Flow Brief is designed with a soft elastic waistband that stays in place without tightening, chafing or rolling down. The signature curved seams at the front and back accentuate the body's natural curves, while the high waist provides a comfortable, enveloping fit.

The result is menstrual panties that feel as comfortable as your favorite underwear.

Discreet protection during menstruation

Behind the elegant design lies our discreet absorbent technology, which is integrated directly into the panty.

The absorbent panel helps protect during your period, so you can feel more confident throughout your workday, study, workout, or a quiet day at home. From the outside, Period Flow Brief looks like regular panties – only you know what they can do.

If you have very heavy periods, you can combine the panties with a menstrual cup or menstrual disc on the heaviest bleeding days.

Designed for movement

The flexible mesh panels on the sides make the Period Flow Brief light and comfortable to wear, while giving it a modern, feminine look.

The high waist and stable elastic ensure that the panties follow your movements - whether you're at work, exercising or relaxing at home.

That's why so many people choose Period Flow Brief – High Rise

  • High-waisted menstrual panties

  • Discreet absorbent technology

  • Soft elastic with Flow logo

  • Flexible mesh panels for added comfort

  • High waist that stays put

  • Flattering signature seams

  • Looks and feels like regular underwear

  • Produced in Portugal

  • Free from PFAS and biocides

A classic in the Flow universe

Period Flow Brief – High Rise is designed to be worn over and over again. It's the model that many people start with – and return to.

A timeless design, thoughtful details and comfort that lasts throughout the entire cycle. In short: a classic made for everyday use.
Formerly known as Flow 1. 

 

Frequently asked questions

Who is Period Flow Brief – High Rise suitable for?

This model is suitable for those who want menstrual panties with a high waist and a snug fit. Many choose it for the extra comfort around the stomach and the stable fit.

Does the high waist roll down?

No. The soft elastic at the waist is designed to stay comfortably in place without tightening or rolling.

How does the model differ from the Soft Collection?

The classic Period Flow Brief features the iconic mesh side panels and a sporty look. The Soft Collection is made from organic cotton and has a softer, more minimalist design.

Can I use it all day?

Yes. The panty is designed for all-day comfort and can be worn at work, school, during exercise or at home – depending on your bleeding and needs.

Can you tell that these are menstrual panties?

No. Period Flow Brief looks like regular high-waisted panties. The absorbent panel is discreetly integrated into the design.

How do I wash my menstrual panties?

Rinse the panties in cold water after use, wash them at the recommended temperature without fabric softener, and let them air dry to maintain their absorbency.

Period underwear with high waist