as featured in

re-think your period.

tired of leaks and stained sheets? we were too.

that's why we make functional underwear for periods, leaks, and stains.


our undies hold up to 4 tampons' worth, keeping you covered day and night 

Holds 4 tampons' worth

It's the ultimate leak-proof protection.

Bikini

£27.95

Boyshort

£27.95

Hi-Waist

£28.95

Bikini

£27.95

Boyshort

£27.95

Hi-Waist

£28.95


But, how do they work?

It took us over 2 years to develop our period-proof tech, and it was worth it.


Our triple layer tech is moisture-wicking, absorbent and leak-proof.


They work like magic, but look like regular undies.


Sustainable materials, ethical production

Our material is sustainably sourced + produced in Austria.

Build a cycle set and save money

Build a set of 4 or more pairs and save serious £££

Make the switch.  Make an impact.

Our undies replace disposables, reducing your waste by up to 99%.

try them risk-free!

try our period-proof undies risk-free. 


if you're not period-ing better within 60 days, we'll give you your money back. no questions asked.


#ByYouForHer

for every purchase made by you, we donate a reusable cloth pad to a girl in need.

don't miss a thing

share your pics using #flowwithflux for 10% off your next order - ooh.

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