A pack of Here We Flo Reusable Cotton Period Underwear, size small. The white and pink packaging notes its super absorbent, reusable and washable, and holds up to 4 tampons’ worth. A pair of Flo Reusable Cotton Period Underwear by Here We Flo in black, featuring a blue, pink, and yellow striped waistband with Flo text, set against a bright pink background. A person stands against a bright pink background wearing Here We Flos Flo Reusable Cotton Period Underwear—black, high-waisted, ultra-absorbent with a colorful waistband featuring hearts and HC letters—paired with a black crop top. Someone poses against a solid orange background wearing Flo Reusable Cotton Period Underwear by Here We Flo, featuring a colorful waistband with hearts and “HC”, paired with a black crop top. A small upper thigh tattoo is visible. Text on a green background about 3,000 banned ingredients and a higher standard for home products.
Beyond Plastic No Single Use Plastic
A pack of Here We Flo Reusable Cotton Period Underwear, size small. The white and pink packaging notes its super absorbent, reusable and washable, and holds up to 4 tampons’ worth.

Here We Flo Flo Reusable Cotton Period Underwear

1 count

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Sustainable BCI cotton supports farmers and the planet.
  • Replaces disposables, reducing waste and promoting comfort.
  • 5% of profits support people and planet initiatives.
Purchase options

Flo Reusable Cotton Period Underwear $21.99

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

FLO Reusable Period Undies are a game-changer for your period. Our period-proof panties are ultra-absorbent and absorb up to 4 regular tampons worth of heavy menstrual flow through a magical, triple-moisture-wicking-gusset. This long moisture-wicking layer covers your front and back, ensuring you stay dry and comfortable - day and night - without any odor.

With this built-in period protection, simply wear your pair and go - no pads or tampons needed! Each pair is super-soft and sustainably made from BCI Cotton: The Better Cotton Initiative help cotton communities survive and thrive, while protecting and restoring the environment. 

Every pair also gives back to charity too, with 5% of profits going to people + planet. Our period undies are also a certified climate neutral product & PETA approved vegan + cruelty-free. Designed for girls, women & menstruators. Don't take it from us though, take it from FLO Babe Sarah M: "these have utterly changed my life"

Care instructions: FLO, rinse, wash, repeat - rinse used undies in cold water and put into the washing machine at 30° or lower (avoid bleach and fabric softner). Wash with similar coloured clothes.

90% BCI cotton +10% elastane with 180gsm-190gsm

Our period pants are crafted from super-soft, sustainably-sourced cotton certified by the 'Better Cotton Initiative.' They are machine washable and can hold up to 4 tampons' worth of menstrual flow, providing you with the comfort and support you need.

Simply rinse, wash, and repeat!

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3,000+ BANNED INGREDIENTS

Personal care with nothing to hide.

From head to toe, every product is screened for ingredient safety, material impact, and unnecessary waste — so you can feel more confident in what touches your body every day.

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Strictly screened ingredients

Including parabens, PEGs, sulfates, phthalates, and synthetic fragrance

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Every personal care brand we offer is committed to cruelty-free practices

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Less plastic, fewer microplastics

Refillable and reduced-plastic options that lessen waste and microplastic exposure

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Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog

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