Step 1 of 5
Find Your FitCycle Assessment
How heavy is your flow on your heaviest day?
We use this to calculate how many pairs you'll need to go leak-free.
Your Priorities
What matters most?
Personalise your match with the relief and protection you need.
Silhouette & Style
Preferred style?
Choose your cut preference for everyday comfort.
Sizing
Your usual knicker size?
Standard Australian sizing. Between sizes? We recommend sizing up.
Personalized Results
Where should we send your fit, plus $10 off?
One email with your exact match, size guide, and a $10 discount code for your first order.
YOUR MATCH
You're a , size .
Based on a flow and what matters most to you, this is the pair to start with. Between sizes? Size up for the high-waisted fit.
The Plain Pocket Brief is sold out in size 10. We have automatically matched you with the Fern Lace Brief in your flow-matched 3 pack, featuring the exact same absorbent pocket technology with elegant lace detailing.
Notify me when Plain Pocket Brief in size 10 is restocked:
Product Title
Description
Free AU shipping over $100 · 30-day risk-free returns
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Lace Thong
Complete your cycle coverage. Add the barely-there Lace Thong for lighter days with zero visible panty lines.
Botanical Heat Pack
Infused with organic lavender and natural wheat. Designed specifically to slip right into the front pocket of your Flow briefs to soothe cramps all day.
Ready to replace tampons completely?
The Flow Kit gives you complete cycle coverage with high-absorbency briefs, overnight protection, and lightweight thongs — one pair for every single day.
Most people need 3 to 5 pairs to go fully reusable, which is why the 3 pack is our most popular option.