Almond peach Menstrual Briefs
The Marie fil menstrual underwear looks like a regular pair of women's panties, except that it is perfectly adapted for menstruation. In fact, this feminine menstrual protection allows women to lead an active life every week of the month... And all while being an eco-responsible alternative!
Menstrual underwear made in Quebec
Discrete lining in natural fibers
An absorbent lining is already present in the menstrual underwear to create a natural barrier for the panties. Although insufficient without a menstrual insert, it helps prevent unexpected leaks. The lining serves as a soft panty liner integrated into the menstrual underwear. It is longer at the front and back than standard sewing templates to ensure perfect protection.
The lining is offered in two colors. Natural (color unbleached natural): for sensitive skin or skin prone to infections which allows you to see menstrual flow. Black: For easier maintenance since persistent stains are not visible.
Breathable, waterproof barrier inside the menstrual panties
A breathable, waterproof barrier sewn into the underwear is made of a thin layer of 100% PUL. This makes the menstrual underwear invincible to any blood leaks that might try to pass through it.
Light or heavy flow for period underwear?
The menstrual brief adapts well to all flows. For greater comfort, women with a heavy flow might prefer wearing a Diva Cup cup or of a menstrual cup. For a light to medium flow, the period panty with 3 inserts is sufficient for daytime use. The insert also allows you to change only the inner layer without having to change the underwear during the day.
Insert removable menstrual
It is possible to add a removable insert to the panties to easily adapt to the menstrual cycle:
-
One insert day or night Marie thread (optional) :
- Ensure a double absorbent and waterproof protection thanks to its composition identical to the gusset of the menstrual underwear.
- Snaps onhyper-thin, you won't feel them, promise!), to stay securely in place no matter the activity.
- Interchangeable as many times as you want throughout your menstrual flow.
Wearing the Marie Fil menstrual underwear means choosing to be comfortable and feel good in your skin, whether you have your period or not. And together, now more than ever, we’re helping make an important eco-responsible gesture for the environment. 💚
Buy a washable Marie fil period underwear
- 1 menstrual brief made in Quebec with love, for real (hello to my seamstresses Marie-Ève et Mounira💚)
- Optional: Day and/or night insert(s)
Composition of the menstrual panties
95% organic cotton
+
5% elastane
=
100% comfortable
Lining composition: What comes into contact with more sensitive areas
45% hemp*
+
55% organic cotton
=
100% natural
Why choose hemp?*
Hemp is the future for the environment. Its processing requires
very little water and no chemicals. That's why Marie prefers hemp to bamboo. This fabric also has several properties:
• Antibacterial to limit odors
• Hypoallergenic to eliminate irritation
• Maximum absorbency
• Soft when blended with cotton
Choose the right size for washable menstrual underwear:
Acheting menstrual panties online can be complicated. Every woman deserves a proper fit and to be comfortable during her period. Here are some tips regarding the Marie fil size chart.
Marie menstrual underwear size chart
Order the right size of menstrual underwear by measuring your hips, above the buttocks, using a tape measure held parallel to the floor. If you’re between two sizes, choose the larger one. Periods often come with a bloated or sore stomach.
We're looking for a comfortable menstrual underwear!

Returns & Exchanges Policy
If the period underwear still doesn't fit despite this precaution, it can be exchanged according to the return and exchange policy and in compliance with all of the following conditions:
- The menstrual underwear must not have been worn with another undergarment underneath for fitting.
- La menstrual underwear must not have been washed or used.
- The period underwear must be returned in the same condition it was sent to you.
Still hesitating? Visit the most frequently asked questions about menstrual underwear.