Period underwear · designed in Hong Kong

Periods, reimagined.

Leak-proof underwear that replaces pads & tampons — up to 75 ml, a full night, softer than the underwear you already own.

Periods, reimagined.
Periods, reimagined.
Periods, reimagined.

The collection

Built for every part of your day.

The Kiri difference

Nothing gets through.

Four layers working quietly together, sewn into one seamless pair. Hover a layer to see where it sits.

  1. Moisture-wickingstays dry against your skin
  2. Antibacterialneutralises odour all day
  3. Absorbent coreholds up to 75 ml, locked away
  4. Leak-proof shieldzero escapes, zero worry

See it for yourself

75ml, absorbed — not spilled.

The same absorbent core from the diagram above, filmed in real time. No dye tricks, no slow motion — just four layers doing their job.

As featured in
am730Kiri, a homegrown Hong Kong startup, has launched reusable, leak-proof period underwear — each pair holds up to 50ml, with four-layer leak protection to ease the stress of your period.
COSMOPOLITANKiri's four-layer leak-proof material is antibacterial and stain-resistant, holding 50ml — about 5.5 tampons' worth. No leaking, even on day one of your period.
HYPEBAEUpdate your intimates drawer with these sustainable designs. Hong Kong-based label Kiri has introduced a collection of durable period underwear.
LIFESTYLE ASIAHong Kong-based Kiri's version boasts antimicrobial, moisture-wicking and stain-resistant technology.
新假期Kiri's leak-proof period underwear uses antibacterial, moisture-wicking and stain-resistant technology, giving women stronger protection through their period — comfortable and reliable.
SASSYSofter than a pad and far more reliable, this high-quality, well-fitted period underwear will make your life easier.
SASSY MAMAKiri leakproof panties have four layers of special technology, crafted to lock in liquid and prevent leaks.
TATLER ASIAGood period care: use products that are good for your body ... reusable period pants from brands including Kiri.

Not sure where to start?

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Four quick questions, one honest answer — matched to your flow, your days, and how you move.

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Shop by flow

Sold by need, not by name.

Day
50 ml

≈ 5.5 tampons · low-waist, seamless

Shop daywear
Night
75 ml

≈ 8.5 tampons · high-waist, full coverage

Shop nightwear
Daily
Every day

antibacterial gusset · in-between days

Shop daily wear

5.0

Kiri has quickly become my go-to for sustainable options for periods — I know I can trust them to not leak and they are also super cute and comfortable. Karis T. · Verified buyer
I'm happy to be able to replace my old Kiri Black Every Day Bra with a new one that fits well and feels comfortable, just as it should. Judy W. · Verified buyer
Loved their period night panties and returned to buy regular ones. Super soft and comfy, love wearing them. Anzhelika V. · Verified buyer

The eco math

One small switch, one real difference.

11,000
tampons per lifetime
most end up in landfill
600+
disposables replaced
by every reusable pair
HK$0.90
cost per wear
and falling, every cycle

the journal

A Glimpse Into Kiri

Kiri Optical eye-chart graphic reading No Wires, No Leaks, No Worry — just soft, every day
Kiri Comfort Facts label card styled like a nutrition label — 0% worry, 0% leaks, 100% breathability, 75ml absorbency
Postage-stamp graphic reading Soft, Dry, Fresh, Reuse — Sent with love, from Hong Kong
The Kiri Times mock newspaper front page — Local Woman Sleeps Through Night One, with Kiri nightwear packaging
Lost and found notice for period panic, a playful card about leaving period worry behind with Kiri
Kiri Bingo card with playful squares about worry-free period days, free space in the centre
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