Period underwear for heavy flow
- Price reduced - get it before it's gone!
- Ethically & sustainably made
- PFAS-free, breathable fabric

- US shipping: $5 flat rate or FREE when you spend $100
- No returns or refunds available on clearance items.
Feel confident and comfortable in Fri Period's high-waisted briefs designed to support your heavier flow days.
- Superior absorption: Holds up to 3 regular tampons’ worth of fluid, keeping you dry and comfortable for hours.
- Comfortable & secure fit: The high-waisted design ensures a snug fit, providing extra support and coverage where you need it most.
- Chemical-free fabric: Made without PFAS or harmful chemicals, because your health and comfort are our top priorities.
- Pretty on the inside: Say goodbye to "stain shame" and embrace your natural bodily functions with our gorgeous printed gusset.
✨ THESE ARE REDUCED TO CLEAR. RETURNS OR REFUNDS NOT AVAILABLE ON THIS PRODUCT.
Fri Period underwear is made from US-grown organic cotton (95%) with a touch of lycra (5%) to allow it to move with your body.
The gusset is made of a mixture of cotton, tencel, bamboo and polyester nylon for maximum moisture-absorbing performance.
All of the fabrics we use are made in a fabric mill in USA and are free of PFOS, PFOA, lead, dioxins, heavy metals, phthalates, DEHP, DBP, BBP, DINP, DIDP and DnOP.
After wearing, rinse in cool water until it runs clear, then machine wash at a low temperature.
Hang or lay flat to dry.
Don't use softener or bleach.
Discover our best tips and hacks here.
At Fri Period, we're on a mission to make periods better. For everyone.
We believe that creating period products shouldn’t come at the expense of the planet or its people.
That's why our production supply chain is carefully vetted to ensure it aligns with our values. Click here to read more.