








Size Guide - Microfiber Collection
Our models size normally . Know that the microfiber material of our panties is sheathing and tends to give in the first wash.
Also, we recommend that you go with the size you are used to wearing. Indeed, it is important that the absorbent area is well adjusted to accompany all your movements and thus avoid leaks.
If you are between two sizes, do not hesitate to take your measurements and refer to the table below.
Need advice? A hesitation on the size?
Contact Charlotte from customer service by phone at +33 9 78 46 89 60 or by email at contact@smoon-lingerie.com .
SIZE | BOTTOM SIZE | WAIST SIZE | HIPS |
WOMEN | |||
XS | 34/36 | 56-62cm |
|
S | 36/38 | 62-68cm | 88-92cm |
M | 38/40 | 68-74cm | 92-96cm |
I | 40/42 | 74-80cm | 96-100cm |
XL | 42/44 | 80-86cm | 100-104cm |
XXL | 44/46 | 86-92cm | 104-108cm |
TEENS | |||
10/12 years old | 58-64cm | 76-82cm | |
12/14 years old | 64-70cm |
|
|
14/16 years old | 70-76cm | 86-90cm |

🇫🇷 🇧🇪 🇱🇺 In mainland France, Belgium and Luxembourg :
- Free shipping for orders above 100€ // 3 to 6 working days by Colissimo (4.9€) or Mondial Relay (3.7€)
- Free return via our return form
🇨🇭 In Switzerland :
- Free shipping for orders above 120€ // 4 to 10 working days by Chronopost.
- Fees may be charged by customs. For more information, click here .
- Returns at your expense
🇪🇺🌎 Rest of Europe and world :
- Between 7.9€ and 12€ depending on the amount of the cart and the destination // 5 to 10 days in delivery without follow-up.
- Returns at your expense
For any questions, consult our Q&A or contact us by email at contact@smoon-lingerie.com or by phone at +33 9 78 46 89 60
Delivery
- To begin with, we recommend you washing your menstrual underwear before you wear them for the first time ! And after each use, rinse them in cold water.
- To wash them, you can choose to hand wash them or machin wash them at 30°C maximum.
- Then air dry your menstrual underwear !
To avoid: greasy detergents and soaps (e.g. Marseille soap), fabric softener and the tumble dryer. For more information, see our care guide!
Our Selene menstrual underwear are OEKO-TEX® STANDARD 100 certified.
French and Italian materials. Made in Tunisia.
Main material : 80% polyamide, 20% elastane
Bottom : 51% hydrophilamide, 42% polyamide, 7% elastane
Absorbent : 100% polyester
Membrane : 86% polyester, 14% polyurethane
Maintenance and composition
Selene is the high-performance and super comfortable ideal menstrual underwear for medium flows. Flagship model of the Smoon range, it offers up to 12 hours of protection , the equivalent of 2 conventional tampons , without odor or feeling of humidity. Its seamless technology makes it invisible menstrual leak proof underwear under clothing, offering you unmatched comfort that will make you forget your period.
Description
Customer reviews
Questions ?Here are our answers...
Who are the Selene invisible menstrual panties are for ?
Selene invisible menstrual panties are designed for medium flow. By medium menstrual flow, we mean: blood loss between 30 and 50 ml (2 to 3 tablespoons) per cycle; blood loss that requires less than one sanitary protection (pad, tampon or cup) every three hours.
When do I have to change my Selene menstrual panties ?
Performing, the Selene invisible menstrual panty offers up to 12 hours of protection. It is made of 3 different technical materials for a draining, absorbent, waterproof and breathable result. In practice, it is the assurance of a reliable period pant, without leakage, odour or wetness;.
How many Selene menstrual panties do I need for one cycle ?
At SMOON, we estimate that 5 period panties is a good average to feel comfortable throughout the menstrual cycle. A supply of 5 panties allows you to space out the washing and provides enough margin for drying time. To be absolutely sure, you can also mix and match models according to their level of absorption by choosing: an ultra-absorbent menstrual underwear for the first few days of your period and at night; a shorty or high-waisted period pants specializing in medium flow for the middle of the menstrual cycle; a menstrual thong specializing in light flow for the last few days of the cycle.

Can you combine another sanitary protection with your invisible menstrual panties?
Selene is worn without other hygienic protections. Very absorbent, these invisible menstrual underwear are able to retain a quantity of blood equivalent to 2 conventional tampons. This high absorption power allows you to stay serene for 12 hours straight. In exceptional circumstances, it is possible to combine it with a cup or a tampon.
What materials are used to manufacture Selene invisible menstrual panties?
Selene deserves its title of invisible menstrual panties, because the technical materials that compose it and its seamless technology make it super discreet under clothing. Comfortable and efficient, its draining, absorbent and waterproof fibers are REACH certified and free of silver nanoparticles. For you, this is the promise of period panties that respect the environment and your health.
Do invisible menstrual panties fit all body types?
The Selene invisible menstrual underwear are available in six different sizes. To adapt to almost all body types, it goes from XS to XXL. To help you find your size, here is a short summary.
- XS corresponds to 34/36.
- S corresponds to 36/38.
- M corresponds to 38/40.
- L corresponds to 40/42.
- XL corresponds to 42/44.
- XXL corresponds to 44/46.
Black invisible period panties are easier to wash than others?
Whatever their color, our invisible period wear panties are easy to wash. Like most of our models, the Selene menstrual underwear can be worn for a maximum of twelve hours. It must then be removed, rinsed and washed. Depending on your tastes, you can choose your Selene SMOON in the following colors: black, midnight blue, burgundy, beige, brown, terracotta, green, or blood orange. All can be washed by hand or by machine. They dry in the open air in the blink of an eye thanks to their construction in technical fibers.
Do invisible period panties last a long time?
On average, the lifespan of Selene invisible period panties is five years. To be sure that your Selene follows you throughout your next 65 cycles, follow our care advice: rinsing with water, washing with a mild but not greasy soap, drying in the open air. Banish fabric softeners, the spin program, the dryer and the iron.