Earth Hour Collection

*Our Biggest Discount Yet*

For Earth Hour, from 8.30pm - 9.30pm GMT, make the switch and take 30% off all period pants for one hour only. 

Use code: EARTH30

*limited to 3 pairs per person

Earth Hour Collection - Use code EARTH30 for 30% off

One pair of FLUX Undies Period Pants prevents 200-500 disposables from going to landfill. Shop up to 3 pairs from our collection and get 30% off using discount code EARTH30. 8.30pm - 9.30pm GMT.

What are period undies, anyway?

still wonderin' what period-proof undies actually are? 


an absorbent panel.

a leak proof backing 

built in.


they work like *magic* but look like regular underwear.