1000+ Happy Customers

Your Comfiest Period Sleep Ever

Soft, non-toxic period underwear that let's your body breathe

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AS FEATURED IN

Logo for Bustle
Logo with 'BODY + soul' text in black on a white background
Logo for Business Insider
Logo for Bustle
Logo with 'BODY + soul' text in black on a white background
Logo for Business Insider
Logo for Bustle
Logo with 'BODY + soul' text in black on a white background
Logo for Business Insider
Logo for Bustle
Logo with 'BODY + soul' text in black on a white background
Logo for Business Insider

Award-Winning Period Underwear

Classic Period Brief - Fri Period Person wearing black high-waisted underwear with text highlighting features on a light gray background

Classic Period Brief

$37.00

Period Boxers - Fri Period Period Boxers - Fri Period

Period Boxers

$42.00

Period Hipsters - Fri Period Period Hipsters - Fri Period

Period Hipsters

$35.00

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A Better Period

Feel fresh and comfy all day (and night!) in our period boxers. Holds up to the heaviest flows. Better for your body - and the planet!

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Period Boxers - Fri Period
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
BUNDLE & SAVE UP TO 22%
COMFORT + CONFIDENCE

Why Customers Choose Fri Period

Leak-resistant tech keeps you fresh & comfy all day (& night!)

Each pair lasts 2+ years and replaces 100's of tampons/pads

Breathable, OEKO-TEX fabric that's kind to your body

Made by women for women

Leak-resistant tech keeps you fresh & comfy all day (& night!)

Each pair lasts 2+ years and replaces 100's of tampons/pads

Breathable, OEKO-TEX fabric that's kind to your body

Made by women for women

Shop the Collection

Fri Period in action

Welcome to a period revolution!

Period Boxers Period Boxers
Classic Period Brief Classic Period Brief
Period Hipsters Period Hipsters
Classic Period Brief Classic Briefs
Classic Period Brief Classic Period Brief
Period Boxers Period Boxers

Better for your body

Thoughtfully designed and consciously made, Fri Period underwear is made without using harmful chemicals that can mess with your hormones and health.

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OEKO-TEX Certified Fabrics
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Leak-Free Confidence
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Breathable & Comfy
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1000+ Happy Customers
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Easy Returns & Exchanges
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Secure & Easy Checkout
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ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR
ONE PIECE OF OCEAN-BOUND PLASTIC REMOVED FOR EVERY PAIR

Frequently Asked Questions

We offer free standard shipping on qualifying orders. Orders are typically processed within 1-2 business days.

We offer free standard shipping on qualifying orders. Orders are typically processed within 1-2 business days.

We offer free standard shipping on qualifying orders. Orders are typically processed within 1-2 business days.