




Plus size one-piece swimsuit for women with cut-out back design
GRATUITE
SOUS 30 JOURS
ET OBTENEZ 10 % DE RÉDUCTION
Openwork one-piece swimsuit
This plus-size women's one-piece swimsuit made of cotton offers a natural softness and optimal breathable comfort for your summer beach outings. Its well-tailored design features a plunging neckline with a central ring and a front knot, creating a flattering fit that highlights the silhouette. The model includes open side cutouts and halter-style straps to tie for a personalized fit suited to fuller figures. Its stretchy construction ensures complete freedom of movement while staying perfectly in place during swimming.
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Breathable cotton blend fabric
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Side cutouts and front knot
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Adjustable halter-style straps
Shipping information
We offer free shipping on all orders, with no minimum purchase.
Each order includes tracking (track & trace), allowing you to follow your package at every step.
Once your order is shipped, you will receive a confirmation email containing your tracking information.
Returns and exchanges
We offer a 30-day return or exchange policy if you are not satisfied with your order for any reason.
For more information, please see our refund policy.
Why choose Ancienne Monde
Because fashion has no size limit. Our creations are designed to highlight every silhouette.
Flattering cuts, materials that adapt, and an elegant style that belongs to you. For women who want to dress with confidence, no matter their size.
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Worn by women of all sizes

About us
At Ancienne Monde, we design pieces for women who move forward with natural confidence. Our collections are based on clean lines, carefully selected materials, and effortless elegance.
Each piece is designed to fit naturally into everyday life, balancing comfort and refinement.
Because style should never be forced — only felt.
Frequently Asked Questions
Yes, we cover the shipping costs for all orders.
Yes, you can modify or return your order at any time within 30 days, even without giving a reason.
Once your order is placed, you can track it via our " Order Tracking" page
You can contact us by email at info@anciennemonde.fr or through our contact page.
Each product comes with a detailed size guide to help you find the perfect fit. Our clothes fit true to size, so you can confidently choose your usual size.
If you are unsure between two sizes or have any doubts, we recommend choosing the larger size for more comfort.