Menstrual panty Iriscup, 4 layers
£24.19
Menstrual panty Iriscup, 4 layers
Reusable period underwear made of technical fabrics, bamboo and organic cotton, with 4 layers that absorb as much as 3 regular tampons. Use it on period days, as back-up for a menstrual cup or tampon, and for light bladder leaks. Wash below 30°C. The fabric stays effective for about two years.
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Iriscup period underwear Absorbs like 3 tampons and you can reuse it.
It has 4 layers of protection. Wear it on its own, with your menstrual cup or tampon, or without a period for light leaks when you exert yourself. It comes in five sizes, from S to XXL.
- Like 3 tampons
- 4 layers
- Bamboo and cotton
- 5 sizes
The essentials
Iriscup period underwear: what you need to know before you buy
Is it for you?
Who Iriscup period underwear is for, and who it isn't for
It suits you if…
- You want to swap disposable pads and panty liners for something you can wash.
- You use a cup or tampon and want back-up in case of leaks.
- You have light bladder leaks when you exert yourself.
- You want bamboo and organic cotton underwear.
Better look elsewhere if…
- You have very heavy periods. It absorbs as much as 3 regular tampons, so you may need to change it during the day.
- You don't want to wash it below 30°C or hang it up to dry. It can't go in the tumble dryer: it needs to be air dried.
- Your bladder leaks are more than light. It is designed for light leaks, the kind that happen when you exert yourself.
Our usage tips
How to wear and wash Iriscup period underwear
- Choose your size as you normally would. S corresponds to 34-36; M to 36-38; L to 38-40; XL to 40-42; and XXL to 42-44.
- Put it on like normal underwear, on its own or with your menstrual cup or tampon.
- Wear it on every day of your period, or without a period to protect against light leaks.
- When you take it off, rinse it in cold water and rub it gently.
- Wash it by hand or in the machine below 30°C and leave it to air dry.
Cleaning
Rinse it first in cold water, rubbing gently, then wash it by hand or in the machine below 30°C. Don't use bleach, fabric softener, natural oils or fatty soaps, don't iron it or put it in the tumble dryer, and air dry it.
Our tips
- Wash it before the first wear, like any underwear.
- Change it when it feels full. Its capacity is equal to 3 regular tampons.
- If you notice irritation or itching, stop using it.
- Having more than one lets you rotate them while one dries.
Specifications
Iriscup period underwear: technical specifications
- Type
- Reusable period underwear
- Absorbency
- Equal to 3 regular tampons or 2 Iriscup L
- Layers
- 4
- Material
- Technical fabrics, bamboo and organic cotton
- Sizes
- S (size 34-36), M (size 36-38), L (size 38-40), XL (size 40-42), XXL (size 42-44)
- Uses
- Period, back-up for a cup or tampon, and light bladder leaks
- Washing
- By hand or in the machine, below 30°C
- Drying
- Air dry, no tumble dryer or iron
- Fabric lifespan
- About two years of use
- Brand
- Iriscup
Questions
Iriscup period underwear: frequently asked questions
How much does Iriscup period underwear absorb?
As much as 3 regular tampons or 2 Iriscup L. It absorbs menstrual flow and light bladder leaks too.
What size of Iriscup period underwear do I need?
The one that matches your usual size. S is for 34-36, M for 36-38, L for 38-40, XL for 40-42 and XXL for 42-44. We haven't confirmed the measurements in centimetres for each size.
Can I wear Iriscup period underwear with a menstrual cup?
Yes. You can wear it as back-up for your menstrual cup or tampon, or on its own.
Can Iriscup period underwear be machine washed?
Yes, below 30°C and after rinsing it in cold water. No bleach or fabric softener, and air dry it, never in the tumble dryer.
How long does Iriscup period underwear last?
About two years of use. That is how long the technical fabric stays effective.
Is Iriscup period underwear suitable for bladder leaks?
Yes, for light leaks, like the ones that happen when you exert yourself. You can also wear it without a period, as protection.
Before publishing this product sheet we check that every figure is in its sources and that what it says holds up. Product sheets that do not pass this check are not published. How we verify information ›
Product sheet updated on 1 November 2026
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