A cleaner, comfier & more sustainable period

Organic Cotton & Bamboo Period Underwear
Browse our range of ethically made period underwear. Each super comfy pair does the work of 2-3 regular tampons and is easy to use—simply wear, wash & repeat!
Why switch to Fri Period:

Made without PFAS or nasties
Don't stress about what you're putting on your skin

Leak-proof tech
Does the work of up to 3 regular pads or tampons
Built to last
Durable and luxuriously soft, designed to last for years

Reusable & sustainable
Good for your body and the planet.

Printed gusset = no stain stress
The gorgeous pattern conceals stians

Women-owned
Made for menstruators by menstruators
Hear from our community
Don't just take it from us
"Wearing these has changed my period"
Hard-working, extremely comfy and kind to your skin (& the planet!).
As Seen In
Organic Period Underwear That Works As Hard As You Do
Say goodbye to synthetic nasties—like PFAS and other unregulated chemicals—and hello to next-level comfort. Our organic period underwear is crafted from sustainable fabrics like organic cotton and bamboo—because your body and the planet deserve the best.
Designed to be leakproof, breathable, and PFAS-free, these undies aren’t just cute—they're conscious.
Whether you're on your heaviest flow day or just want peace of mind overnight, Fri Period has your back (and your front). It's time to ditch the landfill-bound pads and tampons for good.
Ready to upgrade from your regular underwear? These are the sustainable, affordable period panties you’ve been waiting for—reusable, eco-friendly, and made with love.
Why Choose Organic Period Underwear from Fri Period?
Gentle on You: Made with organic, non-toxic fabrics that keep irritation away—even on your most sensitive days. We avoid harmful chemicals and stick to OEKO-TEX certified fabrics to keep things safe and breathable.
Seriously Sustainable: Reusable, washable, and made to last. Our underwear helps reduce landfill waste without sacrificing performance. They’re made with organic materials and designed to be the eco-friendly, reusable period underwear products you actually want to wear.
Designed by People Who Get It: We know periods. That’s why we’ve designed every pair to feel like your favourite undies—with way more superpowers. Whether it’s a backup option or your go-to for heavy flow, these are your sweatpants of period undies—pure, everyday comfort.
Curious about how our leakproof tech works? Read our deep-dive here. Want to know why being PFAS-free matters? This blog breaks it down in plain speak.
Let’s make your period easier, comfier, and a lot more planet-friendly. Shop our collection now and feel the Fri Period difference—designed for people with periods, and trusted by those who want affordable period underwear materials that don’t skimp on quality. For care tips and replacement guidance, check out our FAQs.
FAQs
Rinse in cold water, machine wash on a low-temp cycle, then hang or lay flat to dry. It's super easy!
Absolutely. Our period underwear is designed to handle heavy flow days with ease—no leaks, no stress. The absorbent layer and waterproof layer give you leakproof period protection even on your toughest days.
With proper care, they’ll last up to 2 years or more. That’s a lot of periods saved from landfills and a smart choice for budget-friendly options. If you’re unsure, we even offer a 30-day comfort guarantee.
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Still have questions?
You can read our responses to more Frequently Asked Questions here: FAQs