It is not always easy to choose panties for the first time: what flow to choose, what shape suits me, etc.?

So if you still have doubts, this guide is for you!


Each woman has a different flow and this can change depending on her cycle, age, contraceptive method, sport or diet.

evolucion del flujo menstrual, Mexico, Vancouver, Arizona

Losses during a cycle are measured in ml: a medium flow will correspond to 40 ml and a heavy flow will correspond to 80 ml.

As you may have noticed, these losses are not constant: in this case the second and third days are usually the heaviest!

flujo menstrual alto-flujo menstrual intermedio- ml de absorcion, Mexico

Our heavy or normal flow menstrual panties have an absorption capacity of 30ml or the equivalent of 6 normal tampons or pads.

Our heavy flow menstrual panties have an absorption capacity of 50 ml, which is equivalent to 10 normal tampons/pads and 5 super tampons.

Be careful, the frequency and speed of the discharge can saturate the pantie faster than expected.

For the first few days of your period, choose a heavy flow model, and for the middle and end of your period, a medium or light flow model.


You choose the model in which you feel best: panties, boyshorts, high waist, thong...

All our models offer a different absorption capacity.

You can use the photos below to get an idea of ​​the shape of our models.


We know that finding the perfect fit can be difficult, especially when it comes to menstrual products.

But don't worry, we are here to help you.

Our guide has everything you need to know to find the right size for you.

We include accurate measurements and an easy-to-understand size chart, so you can find the right size for you without having to guess.

To take the measurement correctly, you must measure at the widest point of your hips.

And here's some good news: our panty sizes
menstrual pads are consistent with the underwear sizes you already
you use

If you normally wear a size M in underwear, you can feel confident choosing a size M in our products as well.

Red Moon Girls Review
Red Moon Girls Review
Enchanted with juno In addition to liking their name, the panties are 10/10 comfortable, tight, they don't show and their absorption is perfect. Thank you for these products that make our intimacy and our period with abundant flow easier.
— Jackeline Cruz
Red Moon Girls Review
These pantyhose absorb a lot, I was worried about feeling wet but that doesn't happen. I loved them.
— Jenny Prada
Red Moon Girls Review
I am very happy with how these panties look, they absorb so well, I only need one during the day. And I look spectacular in them!
— Valeria Pacheco