Everfleur BloomLock™ Leakproof Brief — Conversion
Eight teaspoons of liquid poured in one go onto the charcoal gusset of an Everfleur brief, absorbed on contact with no spread or run-off.
Woman photographed from behind in white trousers wearing an Everfleur brief: flat edges, no visible panty line, ridge or shadow.
Everfleur size chart matching hip measurement to ten sizes, XS through 6XL, in inches and centimetres. If you are between sizes, size up.
The entire absorbent panel of an Everfleur brief pinched between two fingertips, showing how thin the BloomLock core is.
Ten Everfleur briefs laid out in five shades from beige to black, showing how the 10-pair set brings the per-pair price down.
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion
Everfleur BloomLock™ Leakproof Brief — Conversion

Excellent1,800+ reviews

EverFleur Leakproof

The four things women ask before they order

Holds 8 teaspoons. Through a sneeze, a laugh, a cough. One pair covers most full days.

Dry in seconds. Liquid drops into the core. The layer against your skin stays dry.

Doesn’t smell. Sealed inside the core, away from your skin and away from the air.

Machine wash cold. Tumble dry low. No soaking, no handwashing, no separate load.

Choose your size
Size guide

Ten sizes, XS to 6XL. Go by your hips — that’s the number that fits.

SizeFits hips (in)Fits hips (cm)
XS34–35"86–89
S36–37"91–94
M38–40"97–102
L41–43"104–109
XL44–46"112–117
2XL47–49"119–124
3XL50–52"127–132
4XL53–55"135–140
5XL56–58"142–147
6XL59–61"150–155

Between sizes? Size up.

How to measure

Measure the fullest part of your hips, over bare skin. Keep the tape snug and level, not tight.

60 nights to get the size right.

Wrong size when it arrives — we send the right one free, and you don’t ship anything back. Still not in love after 60 nights? Full refund.

In stock, ships discreetly within 24–48 hours

60-night try-at-home guarantee · discreet packaging · washable for 2+ years

Not sure of your size? Open the size chart

Ten sizes, XS to 6XL. Go by your hips — that’s the number that fits.

SizeFits hips (in)Fits hips (cm)
XS34–35"86–89
S36–37"91–94
M38–40"97–102
L41–43"104–109
XL44–46"112–117
2XL47–49"119–124
3XL50–52"127–132
4XL53–55"135–140
5XL56–58"142–147
6XL59–61"150–155

Between sizes? Size up.

How to measure

Measure the fullest part of your hips, over bare skin. Keep the tape snug and level, not tight.

60 nights to get the size right.

Wrong size when it arrives — we send the right one free, and you don’t ship anything back. Still not in love after 60 nights? Full refund.

Designed by women, for women's real needs

Perfect fit
Fresh all day
Zero chafing
Odorless & hypoallergenic

Everfleur is trusted by 12,000+ women

Everfleur customers

Worn every day by 12,000+ women

Woman in white pants seen from behind — no lines, no bulk, no one knows Everfleur leakproof brief in beige, front view Everfleur leakproof brief in dark aubergine, front view Everfleur beige brief with hand at the waistband showing the soft fabric Everfleur caramel brief, back view showing full coverage Everfleur black brief laid on a bed Everfleur dark brown brief, side view Hand fanning five Everfleur briefs in all five shades
Real underwear — that just happens to be leakproof

You’re not buying “protection.” You’re buying underwear. BloomLock™ is a soft microfiber brief with a thin absorbent core sewn invisibly inside — nothing to insert, nothing to adjust, nothing that shifts. You pull them on in the morning and you forget about them. That’s the entire idea.

Nobody can tell. That’s the whole point.

The core is thin and sits flat exactly where a normal seam would. No lines under leggings, no bulk under white pants, no crinkle when you move, no rustle when you sit down. Moisture is pulled down and locked away from your skin, so you stay dry — and so does the air around you.

How much it actually holds

Each pair absorbs the equivalent of 8 teaspoons and holds it under pressure — through a sneeze, a laugh, a cough, a full workout, a long car ride. The top layer stays dry against your skin instead of pressing wetness back into it. For most women, one pair covers a full day.

Absorbent doesn’t mean wet

Absorbing and feeling wet are two different layers. Liquid passes through the top surface and is pulled straight down into the core — touch the fabric seconds later and it feels dry. No damp patch against your skin, no clammy fabric, no cold reminder when you sit down. Dry in seconds, and it stays that way until the wash.

Doesn’t smell

Odor doesn’t come from the moisture itself. It comes from moisture sitting warm and exposed against you for hours. BloomLock™ pulls it down into the inner core and keeps it sealed there, away from your skin and away from the air, so nothing builds up over the day. At night the pair goes in the wash and comes out completely fresh.

Size & fit

Order your usual underwear size — these run true. The waistband sits high and smooth with no dig, no roll-down when you sit. Between two sizes? Take the larger one; the fabric holds its shape. Wrong size when it arrives — we exchange it free, no questions.

Washing is genuinely easy

Machine wash cold, tumble dry low or hang. No handwashing, no soaking, no special detergent, no separate load. One thing only: skip fabric softener — it coats the fibers and reduces how much they can absorb. Wash after wash, they keep working for years.

60 nights. Every pair. If anyone can tell, we pay.

Wear them, wash them, live in them for 60 nights. If they don’t do everything we just told you they do, write to contact@everfleur.com and we make it right. You don’t have to justify anything and you don’t have to send back a pair you’ve already worn.

Discreet delivery, always

Your order ships in a plain box. No brand name, no product name, no images, nothing on the outside that says what’s inside — not on the box, not on the label. It arrives looking like any other package on your porch.

Customer reviews

★★★★★

I laughed — really laughed — for the first time in years.

My grandson said something ridiculous at dinner and I didn't brace, didn't cross my legs, didn't excuse myself. Nothing got through. I sat there grinning like a fool for two reasons.

Margaret W.Verified review

★★★★★

Prettier than anything in my drawer — and it works.

I expected something that looked medical. These are genuinely beautiful — soft, lovely cut, real lingerie. My husband has no idea they're "protection", and it's staying that way.

Diane K.Verified review

★★★★★

I threw out the pads after one week.

I was spending about $30 a month on liners that bunched, showed through my leggings and still let go when I sneezed. These hold everything, wash like normal underwear and are dry by morning.

Carol S.Verified review

★★★★★

Four-hour flight, spring allergies, white trousers.

Sneezed nine times somewhere over the Atlantic. The old me would have worn a pad and checked my seat twice before standing. I just… stood up. That's worth every penny.

Linda M.Verified review

★★★★★

Finally cut for a real 58-year-old body.

High enough at the waist, nothing digging into my thighs, and the XL is honestly an XL. They stay in place on my morning walk — and so does everything else.

Barbara T.Verified review

★★★★★

By 2pm I'd forgotten I was wearing them.

That's the miracle, honestly. No bulk, no crinkle, no damp feeling — I just went about my day and didn't think about my bladder once. I can't remember the last time that was true.

Susan R.Verified review

4.6/5 based on 1,800+ reviews

See for yourself

They look nothing like protection.

Look closely. No plastic sheen. No visible padding. No crinkle when the fabric moves. Just a soft, high-waisted brief in five shades that belongs in a lingerie drawer — not a pharmacy aisle.

Inside, the thin BloomLock™ core quietly does the work a pad does — without ever looking or feeling like one. It’s sewn flat into the brief itself, so there’s nothing to place, nothing to shift, nothing anyone could ever notice. Including you.

  • Feels like everyday underwear — because it is
  • Absorbent core hidden flat inside — no outline, no bulk
  • Five shades 
Try them for 60 nights

60 nights. Every pair. If anyone can tell, we pay.

The BloomLock™ System

How something this thin holds a full accident.

This is the inside of your Everfleur brief — and the four jobs it does the moment a leak arrives.

  1. WickThe surface pulls liquid off your skin on contact — dry to the touch in seconds.
  2. LockThe core turns it to gel and holds it under pressure. Sit, bend, sneeze again — nothing comes back.
  3. SealA waterproof barrier runs all the way into the leg seam — the exact edge where every pad gives up.
  4. ComfortAgainst your skin, just soft breathable fabric. No plastic, no crinkle, no reminder it’s working.

From the outside: nothing. No lines, no bulk — even under white.

➜ Add to cart

60-night try-at-home guarantee · washable for 2+ years

The touch test

Absorbent doesn’t mean wet.

Press the core right after it’s taken a full accident’s worth of liquid. The surface is dry. Not dry-ish — dry. The liquid is already locked beneath it as gel, away from your skin and your clothes.

Which means no damp fabric against you an hour later. No clammy, chafing reminder that something happened. Just the same soft brief you put on this morning.

If you can’t feel it working — that’s the point.

Feel it for yourself

60-night try-at-home guarantee · discreet packaging

The unspoken worry

And no, it doesn’t smell.

A mother and daughter share a close hug — no smell, not even this close

Here’s what nobody tells you: odor doesn’t come from the leak. It comes from wetness sitting against warm skin. BloomLock™ never lets that happen — liquid is pulled in and locked as gel beneath a dry surface, sealed away from air, skin and fabric. Nothing damp. Nothing warm. Nothing to notice.

So take the hug. Sit close at dinner. Let the grandkids climb onto your lap. What happens inside your brief stays nobody’s business but yours.

  • Liquid locked as gel — never sitting damp on skin
  • Dry sealed surface — odor has nowhere to start
  • Every wash brings every pair back to fresh
Stay this fresh

60 nights. Every pair. If anyone can tell, we pay.

The white pants test

Invisible. Yes, even white pants.

White trousers are the reason most women stop trusting protection. One outline, one ridge, one pad shifting out of place — and the white quietly retires to the back of the closet. So this brief was built to disappear: a smooth high waistband, flat seams, and a matte finish that vanishes under even thin, fitted fabric.

Watch the fabric move. Nothing shifts. Nothing shows. Nothing to adjust all day — because the protection is the underwear, sewn flat from edge to edge.

No lines. No bulk. No one knows.

Wear white again

60-night try-at-home guarantee · discreet packaging

Wash. Wear. Repeat.

Machine washable. Lasts for years. Do the math.

Disposables have a business model: you run out. Every few weeks, forever — the store run, the box in the cart, the line item that never leaves your budget.

Everfleur works the other way. Buy your drawer once, machine wash with the rest of your laundry, and the same pairs come back fresh — for 2+ years.

  • 10 pairs (7 + 3 free)$89.99
  • Per pair$8.99
  • Worn on rotation, 2+ yearsabout 12¢ a night

Buy a drawer once. Skip the aisle for years.

Build my drawer

60-night try-at-home guarantee · free shipping on bundles of 10+ pairs

Side by side

Everfleur vs. the pads you keep buying.

Everfleur
Disposable pads
Against your skin
Dry, soft — real underwear
Damp padding on skin
When the leak hits
Locked as gel in seconds
Runs to the leg edge
Under white pants
Invisible — no lines, no bulk
Outlines you keep checking
Odor
Nothing to smell
Wetness sits warm on skin
Sound
Silent, like any brief
Crinkles when you move
Two years later
Same drawer, washed fresh
Bought again. Tossed again.
What you spend
$89.99 — once
$800–$3,000, box by box
Make the switch

60 nights to decide · free shipping on bundles of 10+ pairs

The risk is ours, not yours

60 nights. Every pair. If anyone can tell, we pay.

  • Try every pair for 60 nights. Wash them, wear them, live in them.
  • Not in love? Full refund — and you don’t ship anything back.
  • If a pair ever leaks through, we replace it free, no questions.
  • If anyone can tell you’re wearing protection, that’s on us — not you.

The only thing you can’t get back is another year of checking the seat before you stand.

Start my 60 nights

Free shipping on bundles of 10+ pairs · discreet packaging

All five Everfleur shades — every pair covered by the 60-night guarantee

60-Night Comfort Guarantee

Straight answers

The questions you're right to ask.

Will it actually hold, or leak like a pad?

Fair question — pads earned that doubt. The difference is the seal: our waterproof layer runs to the seam, the exact leg edge where pads wick out. The core locks fluid under pressure instead of letting it run to the side.

Won't it feel like wearing a diaper?

No — and we don't use that word for a reason. This is real lingerie: thin, soft, cut like the underwear you already own. No bulk between the legs, no plastic crinkle. Most women say they forget it's there.

Is it obvious under clothes?

That's the whole point. No lines, no bulge, no sound. Wear it under leggings, a dress, jeans — no one, including you, will be reminded it's there.

Does it get smelly or stay damp?

The surface wicks dry in seconds, so moisture doesn't sit against your skin. You rinse and machine-wash them like normal underwear, hang to dry, and they're fresh for the next day.

$89.99 feels like a lot for underwear.

It's less than you already spend. Disposables run $800–$3,000 over two years. One Everfleur rotation lasts 2+ years and pays for itself in about six weeks — then keeps saving you money.

What if it doesn't work for me?

Then you pay nothing. Try any pair for 60 nights; if you're not dry and comfortable, we refund you and you keep the pairs — no return shipping, no hassle.

Is this for heavy or medical leaks?

No. Everfleur is for light to moderate leaks. If your flow is heavy or continuous, this isn't the right product for you, and we'd rather say so than take your money.

Will it arrive discreetly?

Always. Plain, unbranded packaging — nothing on the outside says what's inside.

You didn't get "too old." You got handed the wrong product.

Everfleur is for the woman who refuses to let a leak decide her day — who wants to laugh out loud, chase the grandkids, take the trip, and never once think about it.

➜ Add to cart

60-night try-at-home guarantee · discreet packaging · washable for 2+ years