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Bamboo Briefs | High Absorbency

Bamboo Briefs | High Absorbency

 4.9

🛍️ Shop With Confidence

90-Day No-Questions-Asked Returns on All Products!

✔️Neutralizes Urine Odor & Bacteria

No more Smell, Rashes or Infections

✔️Premium Cotton Underwear Feel

No Bulk or Discomfort

💧100% Leak-Proof

Holds up to 8 oz of Leaks

Regular price $82.99
Regular price $82.99 Sale price $99.99
SAVE 17% Sold out
 

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Bamboo Briefs | High Absorbency

Bamboo Briefs | High Absorbency

Regular price $82.99
Regular price $82.99 Sale price $99.99
SAVE 17% Sold out

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Women Love Our Underwear

Get on with what you love

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Absorbs leaks fast

From wet to dry in just 3 seconds. Absorbs 8 teaspoons of liquid.

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Feather-soft feel

OPALPAWS (TM) is soft, sustainable, with anti-microbial properties to stop odour

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Secure seams

Waterproof, secure seams prevent side leaks and give peace of mind

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Wash from 40℃

Long lasting, machine washable

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Super-discreet

3mm thin gusset that's so comfortable, it's like you aren't wearing anything

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And more...

Our reviews speak for themselves

Unique 4 layer gusset offers protection from leaks

What powers our great-looking underwear is the unique gusset and waterproof seams

Super dry, soft top layer Perfectly designed for leaks
Fully absorbent core Absorbs 8 tsp of urine in just 3 secs
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Anti-microbial waterproof layer Prevents side leaks and combats odour
3 layer gusset structure diagram

Feel confident and secure all day

Underwear that is made to last, whatever your plans

Machine washable underwear
Machine
washable

Wear, wash, repeat

Our underwear is machine washable. Whether you wear them for exercising, work, or socialising, you'll forget you are even wearing them.

3mm thin underwear
3mm
thin

Discreet, thin and comfortably secure

Whether you wear them under yoga pants or a skirt, our underwear is super discreet and ultra thin whatever you choose.

Why Bamboo?

Not all leakproof underwear is made the same. Most of it uses cotton, nylon, and other synthetics that are too slow to handle a real leak, and trap heat and moisture against your skin all day. Sistera is built on a different fabric, RapidCell Bamboo Viscose, and it works with your body instead of against it. It keeps you dry, cool, and comfortable from morning till night.

Catches the Leak Before It Shows

RapidCell Bamboo Viscose pulls moisture in fast, the second a leak lands, so it cannot spread sideways or escape out the leg. Real protection for real leaks, not just a thin layer that soaks through by lunch.

Stays Dry Against Your Skin

Cotton and synthetics hold the wet on the surface, right against you, for hours. That is the cold, clammy feeling you know too well. RapidCell Bamboo Viscose pulls the wet off your skin so the part touching you stays dry.

Helps Keep Odor Away

Odor-causing bacteria grow on a warm, wet surface. Because RapidCell Bamboo Viscose pulls moisture off the surface and keeps it dry, the odor has far less chance to build. No urine smell, no diaper smell, nothing to hide.

Sistera RapidCell Bamboo leakproof underwear

Cool and Comfortable, Day and Night

Bamboo lets heat move out instead of sealing it in, so you stay cooler all day. And when a hot flash hits at night, the fabric does not trap the heat against you, so the flash passes faster.

Gentle on Sensitive Skin

Skin can get more sensitive over time, and cheap synthetic blends only make it worse with rough fibers and harsh dyes. RapidCell Bamboo Viscose is naturally smooth and OEKO-TEX certified. No itch, no rash, just a fabric you can trust for 12 hours.

Invisible Under Any Outfit

Because the bamboo absorbs so fast, OPALPAWS need thick, bulky padding. It stays soft, light, and invisible under anything you wear. No bulk, no crinkle, no panty lines. Nobody knows but you.

OPALPAWS VS OTHERS

See how we stack up against the alternatives

Opalpaws vs Leakproof Underwear
Opalpaws vs Disposable Pads
Sistera leakproof underwear built for your body after 50

The Only Leakproof Underwear Built For Your Body After 50

Whether it is bladder leaks, hot flashes, or skin that is more sensitive than it used to be, OPALPAWS is built for the body you have now.

  • Real Leak Protection — RapidCell Bamboo Viscose pulls the leak in fast, the second it lands, so it cannot spread or escape out the leg.

  • Dry, Never Clammy — Moisture is pulled off your skin and into the fabric, so the part touching you stays dry all day.

  • No More Odor Worry — A dry surface gives odor-causing bacteria far less chance to grow. No urine smell, no diaper smell, nothing to hide.

  • Cool From Morning Till Night — Breathable bamboo lets heat move out instead of trapping it, whether it is a warm day or a hot flash.

89%

Noticed no stains, no smell and no embarrassing moments throughout the day.

93%

Found it more comfortable than any other leakproof underwear they've tried.

91%

Reported feeling less anxiety about unwanted leaking

90 Day Perfect Fit Guarantee

Getting the right fit is part of getting the right protection. Every body is different, and we want yours to feel perfect.

TryOPALPAWS at home, wash them, and if the fit isn't right within 90 days simply email us your order number and preferred size. We'll send you a new size. No need to return the original pair.

Specifications

color:


3-Piece Mixed Pack


5-Piece Mixed Pack(3+2 FREE)


8-Piece Mixed Pack(5+3 FREE)



+ Free Shipping
+ Perfect Fit Guarantee
+ Free Gifts for Lasting Leak Relief
+90-Day Risk-Free Guarantee

Still Deciding? Read the Top 15 Questions Customers Asked Before Ordering Opalpaws.

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How Does Opalpaws Work?

Opalpaws looks and feels like soft, breathable underwear — but it's built with 4 protective layers designed to stop full bladder leaks in their tracks:

1st Layer: Medical-grade mesh for instant dry comfort.

2nd Layer: Silver ion lining to fight odor and bacteria.

3rd Layer: Ultra-absorbent core that holds up to 8oz of leaks.

4th Layer: Waterproof, breathable barrier that locks leaks in — and lets skin breathe.

The best part? Besides the black X-Dry technology layer, Opalpaws is made with high-quality 100% cotton to ensure a comfortable, real-underwear feel!

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What is Opalpaws made from?

Opalpaws is made from high-quality, breathable cotton that feels soft and natural against your skin. The underwear body is crafted to look and feel like regular premium cotton underwear, keeping you comfortable all day.

In addition to the cotton construction, each pair also includes our discreet X-Dry technology layers inside, which provide leak-proof protection.

So on the outside, it’s real cotton underwear — on the inside, it’s advanced protection.

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Is this safe for sensitive skin?

Yes. Every layer passes strict skin safety screening and is gentle on all skin types. No irritating plastic. No mystery chemicals. Just softness and breathability — even for daily wear.

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Why is this better than pads, diapers, or “leak-proof” underwear?

Because it was actually designed for bladder leaks — not for periods or marketing claims.

Pads bunch, leak, and trap moisture

Diapers feel bulky, embarrassing, and irritate skin

“Leak-proof” underwear is often just repackaged period panties

Opalpaws is bladder-leak-specific — built with breathable absorbency and skin-safe tech to finally solve this for real.

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Will it really hold up during my worst leaks?

Yes — that’s literally what it was made for. Women who leak 10+ times a day say they finally feel protected. Not just for “just in case”… but for when it happens. Opalpaws.

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Do you ship discreetly?

Yes! Every order is shipped in plain, unmarked packaging with no indication of what’s inside. Your privacy is always our priority.

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Will this help with my type of incontinence?

Absolutely — Opalpaws was built to support real women dealing with real leaks. Whether you're rushing to the bathroom with sudden urgency (urge incontinence), leaking a little when you cough, laugh, or lift something (stress incontinence), or facing unexpected full-blown accidents (overflow or mixed), Opalpaws is designed to handle it.

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Will it really stop a full leak… or just slow it down?

Yes — Opalpaws is designed to handle full bladder leaks, not just a few drops.

Its multi-layer X-Dry core can absorb up to 8oz of liquid and lock it away quickly, helping keep your clothes dry and your mind at ease — even on your worst leak days.

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Is it bulky or uncomfortable?

Nope. It’s soft, breathable, and fits like regular underwear — not like diapers or shapewear. You can wear it all day without noticing it’s even there.

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How do I wash them?

Super simple: rinse if needed, toss in the wash with your regular laundry, and air dry. No special detergents or routines.

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How long does it last?

Each pair of Opalpaws is washable, reusable, and built to last for up to 5 years — not just a day.

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Can I wear it overnight?

Yes! Opalpaws can be worn for 12+ hours, even while sleeping. Many women report waking up dry for the first time in years.

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What size should I get?

We recommend choosing your true underwear size for a snug, leak-proof fit.


If you’re between sizes, size up — the absorbency works best when gently hugged to your body.

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What if they don't work for me?

We offer a 90-day risk-free guarantee. If you don't experience improved comfort and confidence, simply return for a full refund—no questions asked.

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Will it smell?

Not at all. Thesilver ion layerfights odor-causing bacteria and neutralizes smells before they start. You’ll feel clean and confident, even on high-leak days.