TOP n°3.1 Reversible bralette
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Description
A brand new reversible bra that slips on for optimal comfort and support.
The cut
- Elastic band under the bust reinforced with a solid elastic
- Plunging and graceful neckline
Ideal for a surfer or stand-up paddleboarder's paddling, where the shoulders and arms are constantly used in the effort. Its elasticated finish guarantees a perfect fit. Without underwire, this top can be worn comfortably under a wetsuit.
Sizing advice
This top runs a little larger than others. If you are between two sizes, take the size down. Find our equivalents.
If you have any doubts or questions about the size, do not hesitate to write to us at contact@posidonie.io
Our models
Alison (cup C) wears M.
Fabric & Care
Posidonie's goal is to use a fabric that helps clean the oceans and the environment, but is also very elegant and comfortable, freeing women from any movement constraints. An eco-responsible swimsuit is also a durable swimsuit, which is why I chose the highest range of European fabric made from waste such as fishing nets and plastic bottles. The fabric is slightly shaping and made to last.
Main fabric (Italy): 78% Recycled Polyamide. 22% Elastane.
Weight: 190gr.
🌞 UV Protection SPF50
Bi-directional stretch (hugs muscles & movements: great feel)
Labels: OEKO-TEX Standard 100 & Global Recycled standard
Lining (Spain): 86% Recycled Polyamide. 14% Elastane.
Labels: OEKO-TEX Standard 100 & Global Recycled standard
🌞 UV Protection SPF50

Care instructions
The sea and salt do not alter your swimsuits if you rinse them with fresh water after each use. Let it dry flat or hanging by itself.
Wash your swimsuit by hand. You can machine wash it at the end of your vacation, on a delicate cycle (max. 30 degrees), with a small amount of non-detergent laundry soap, without spinning or drying cycles.
The chlorine resistance index of our materials is very good. However, the colors are more delicate.
Size Guide
One-piece
For one-piece swimsuits, we recommend choosing the size of your bottoms:
Size 34, choose XS
Size 36, choose S
Size 38, choose M
Size 40, choose L
Size 42, choose XL
Size 44, choose XXL

Top
For tops, here are our equivalents:
80A/B, 85A, choose XS
80C, 85B, 90A/B, choose S
80D, 85C/D,90C, choose M
85E, 90D, 95C, choose L
90E, 95D/E, 100E, choose XL

Please note that TOP 3.0 (large triangles) sizes a little larger than the others. If you're between two sizes, choose the smaller size.
We recommend the following equivalents for TOP 3.0:
80A/B, 85A, 90A choose XS
80C, 85B, 90B, 85C, 90C, choose S
80D, 85D, 95B choose M
85E, 90D, 95C, choose L
90E, 95D/E, 100E, choose XL
Bottoms
For bottoms, we recommend choosing your usual panty size:
34 (hip circumference in cm: 83-89): XS
36 (hip circumference in cm: 90-96): S
38 (hip circumference in cm: 97-101): M
40 (hip circumference in cm: 102-106): L
42 (hip circumference in cm: 107-113): XL

How to measure your hips?
Place the tape measure around your hips at the widest point. Position it close to your body, without tightening it, and directly on your skin.
Tip: If you don't have a tape measure, use a string and then measure the length on a ruler.
Any questions about sizing?
Let's think about our planet and avoid a round trip.
Contact us at contact@posidonie.io and we will help you find the right size.
goes with
Description
The reversible thong
The cut
- A sexy, slightly cheeky back, highlighting your figure.
- Stretchy and soft material
- Seamless
- Wide edges that don't dig into the hips but rest delicately.
- This swimsuit bottom lengthens the legs.
- This new cut ensures a comfortable fit.
Sizing advice
Take your usual underwear bottom size. For example, if you wear size 38 panties, choose M.
If you have any doubts or questions about sizing, please don't hesitate to write to us at contact@posidonie.io
Our model:
Alison wears S (US 4)




















