Summer sale. Stay out late. Sleep in later.

Don't sleep on 40% off site wide (though you could.)

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10,000+ 5-Star Reviews

OEKO-TEX® certified

PFAS-Free

B-Corp certified

Compare our leakproof systems

Three approaches to leakproof protection:
Super Heavy
BOOST™ → Adjustable
EssentialModerate

GOOD THINGS COME IN THREES

Multi-Packs available now.

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TECHNICAL ORGANIC COTTON

Leakproof underwear built with a moisture-wicking organic cotton gusset engineered to reduce odour and keep you dry.

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10,000+ 5 Star Reviews

At the forefront of leakproof design since 1993.

Soft, breathable and no leaks!

— Robin T.

Perfect amount of protection

— Natalie F.

Great for overnight

— Zoe L.

High quality, super absorbent, and barely noticeable

— Riley

My last pairs lasted 7 years!

— Gill D.

Heavy + Overnight Protection

Designed with longer and wider front-to-back gusset coverage for leakproof coverage you can count on.

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LEAKPROOF SWIMWEAR

Built to catch and lock-in those sneaky leaks that occur before and after you swim.

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MYSTERY BUNDLES

Curated selections of our best-selling leakproof period underwear.

SHOP BUNDLES

Made for Humans, By Humans

OEKO-TEX® certified

Our fabrics are certified free from harmful substances, gentler on skin, safer for long-term wear, ultimately, reducing irritation.

Stitched, not glued

Stitched seams hold up through 100+ washes. Bonded (glued) construction stretches out and breaks down over time.

PFAS-Free*

No PFAS or unnecessary chemical treatments in our leakproof layers, designed to be safe against your skin.

Our Approach

Since 1993, we've been making high-performance underwear that supports the people who wear it, respects the people who make it, and protects the planet it comes from.

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