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Worn by 10,000+ across 100 countries

Have you ever worn technology?

Built with antibacterial copper, odor-trapping bamboo charcoal, and more advanced fibers woven into every pair, HercUnderwear is designed to stop odor before it starts. Not regular underwear with a label slapped on. Real technology, in the most personal layer you own.

★★★★★
“Two weeks motorcycling in Morocco, and no odors even after three or four days.”
Markus S.  ·  Germany
★★★★★
“Most comfortable underwear I have ever worn.”
George E.  ·  United States
★★★★★
“The James Bond of underwear. It beat everything from Gucci to Calvin Klein.”
Rana S.  ·  United Kingdom

A different category in performance underwear.

Anti-Bacterial

HercUnderwear is antibacterial, fighting the bacteria behind odor and buildup, so it stays cleaner for longer between washes.

Anti-Odor

Built to stop smell before it starts, HercUnderwear stays fresh through long days and even longer trips.

Soft and comfortable

Smooth and light against the skin, with the kind of comfort you tend to forget you have on.

Incredibly Breathable

Air flows where you need it most, so you stay cool and dry no matter how the day heats up.

Days on end.
One pair.

One pair. That is all you need. Pack one and your whole trip fits in a carry on, with room to spare. No sniff test, no overpacking, no laundry pile waiting at home.

One small habit

HercUnderwear keeps itself fresh for days. For the little marks any underwear picks up, a quick rinse with water does the job, or let a HercBidet help your underwear stay cleaner for longer.

Made for movement.

Lift
Fresh and dry through every rep
Sweat through the whole session. HercUnderwear stays fresh through all of it.
Travel
Cool and dry, hour after hour
Breathable through the longest flights and the longest days. Hours in, it still feels like the first minute.
Go
Smooth and comfortable, mile after mile
Smooth against skin from the first mile to the last. The kind of comfort you only notice when it is missing.
That's the real luxury. One less thing on your mind.

Clean where it counts.

Your underwear works hardest in the warmest, sweatiest part of your day. HercUnderwear is antibacterial, so it fights the bacteria that cause odor and irritation right at the source. It stays fresh, clean, and smooth against your skin from morning to night.

5x
fewer washes

Built to outlast the rest of your drawer.

Most underwear does not wear out from wearing. It wears out in the wash. HercUnderwear is built tougher and washed far less, so it outlasts a whole drawer of ordinary pairs. Buy once, replace rarely.

Lasting performance.

Most performance gear is sprayed on, so it fades with every wash. HercUnderwear is built in, designed to keep performing like new for years.

How?

Five materials. One underwear.

01

HercCopper

Copper woven into the fabric is antibacterial, going after the bacteria that turn sweat into smell and shutting odor down at the source before it ever builds.

02

Micro Modal

Spun from wood pulp into an ultra fine fiber, it gives HercUnderwear that soft, smooth, barely there feel against your skin.

03

Bamboo Charcoal

Acts like a microscopic sponge, pulling moisture off your skin and trapping odor so nothing lingers through the day.

04

HercLyocell

Spun from natural wood pulp, HercLyocell takes the odor fight further. Rather than masking a smell, it grabs the ammonia and other odor molecules your body gives off and neutralizes them on contact.

05

Spandex

Adds the stretch and recovery that hold a clean, supportive fit, so HercUnderwear moves with you and stays put. No riding up.

Everything else you want in your underwear.

Cooling

Moves heat away as you go.

Lightweight

Packs down to almost nothing.

Tagless

No scratchy tag to deal with.

Nothing else checks every box.

HercUnderwear
Merino wool
Cotton
Synthetic
Stays smell free for days
×
×
Soft and never chafes
Breathable all day
×
Dries fast after a rinse
×
×
Easy care, wash any way
×
Holds its shape, no pilling
×
×
Stays intact for years
×
×

Care, made simple.

Less washing, less fuss. A little goes a long way.

01

Wash cold

Turn it inside out and use a cold, gentle cycle.

02

Skip the softener

No fabric softener, so it keeps doing its job.

03

Hang or tumble low

Air dry, or tumble on low heat. Never hot.

04

Wash far less

Air it out overnight between wears and wash only when you truly need to.

Try one, risk-free.

No pressure, no fine print. Just a few promises we actually mean.

100

Day return window

Do not rush it. Live in them, travel in them, sweat in them, then decide. We would rather you take your time and love them than hurry the test.

365+

Day size exchange

On a weight loss or gain journey? Keep going. We will be there at your finish line to swap your size, so you can celebrate the new you instead of restocking your drawer.

Lifetime manufacturer warranty

If we got something wrong, we make it right. You should never have to pay for our mistake.

Nobody was obsessing over the thing you wear every day. So we did.

You spend almost every waking hour in contact with fabric, and the most personal layer of all is the one nobody bothered to push forward. So we teamed up with some of the most advanced textile labs on earth for a single fight, the one against odor, and built HercUnderwear to outperform just about anything in your drawer right now.

The honest downsides.

We read every review, the glowing ones and the critical ones. Here is what a few customers wish they had known first, in their own words, so you can decide with eyes wide open.

01

The waistband can fold over

This is the one we hear most. On some bodies the waistband rolls or folds over itself, especially early on. We reworked the band on newer pairs and many people found it settled, but it is worth knowing going in.

02

The fit runs snug

These sit closer than a typical pair, and a few customers found the legs ride up or the size ran tight. If you are between sizes or want a roomier feel, size up, and grab the extra size on Sport styles like the site suggests.

03

Support is on the lighter side

If you are used to a structured pouch, these lean minimal. A handful of customers wanted more support under tight jeans or for higher activity, so a lot depends on what you are coming from.

04

Freshness varies from body to body

Plenty of people go many days between washes, while a few find they want a wash sooner. Body chemistry plays a part, so it helps to treat the long wear as a range rather than a fixed number.

05

Skip the fabric softener

Fabric softener coats the fibers and tends to leave marks on the fabric, so it is best left out. A simple wash with a gentle detergent keeps HercUnderwear performing and stain free.

FAQ

Answers to what people ask us most.

HercUnderwear fights odor and bacteria at the source rather than masking it, with that protection woven into the fabric itself instead of sprayed on. That is why the freshness holds up for the life of the product.

If you want it to last years, wash it in cold water, without fabric softeners or any of that marketing BS. Dry on low or medium heat, or hang dry. That's basically it. No special treatment needed.

Longer than you would think. Our underwear stays fresh through days of wear and travel, well past the point where ordinary underwear starts to turn. Wear it, test it, and let it surprise you.

Cotton is comfy, but it soaks up sweat, holds onto smell, and wears out fast. HercUnderwear stays fresher for longer, breathes better, and holds its shape for years. Once you try it, going back feels like a downgrade.

That is the goal. Durability is a core value of ours. We personally hate when things don't last, so we design our products to be useful for years. We want to be like Toyota trucks. Products so good they are hard to wear out.