Material matters

What’s in Fri Period underwear?

Lining: 95% organic cotton, 5% spandex

Soft, breathable, and kind to your skin, our organic cotton lining ensures all-day comfort.

Outer Fabric: 95% natural bamboo, 5% spandex

Known for its moisture-wicking and antibacterial properties, bamboo is the natural choice for keeping you fresh and comfortable.

Inner Core: 80% polyester, 20% nylon/breathable PUL

This innovative blend locks in moisture while remaining breathable, ensuring leak-proof protection you can count on.

NO PFAS, NO WORRIES

PFAS (per- and polyfluoroalkyl substances) are often found in conventional period products, but not ours. We’ve taken steps to ensure that our period underwear is made without using PFAS. We value your health or the environment.

We have intentionally chosen organic cotton and bamboo to ensure your skin isn't exposed to harmful chemicals.

CERTIFIED SAFE

To back up our promise of safety and quality, our manufacturing partners hold the following certifications:

OEKO-TEX® Standard 100: Fabric is rigorously tested to ensure it’s free from harmful substances.

FDA Certification: Strict health and safety standards.

FDA Certification: Rigorous health & safety standards.

Why choose Fri Period?

Safe for You and the Planet: We use organic, natural, and sustainable materials.

Proven Protection: Our breathable, multi-layer technology provides reliable absorption, holding up to three tampons’ worth of fluid without leaks.

Comfortable All Day: With a snug fit and soft fabrics, Fri Period underwear feels like your favorite pair of undies – only better.

Easy to Care For: Caring for them couldn't be easier – simply wear, wash and repeat!