Underwire Backless Cutout One-Piece Swimsuit - Solid Nylon Boho Vacation Swimwear
Underwire Backless Cutout One-Piece Swimsuit - Solid Nylon Boho Vacation Swimwear
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Sleek support, effortlessly sultry. This beautifully designed one-piece swimsuit combines structured support with daring, fashion-forward details for a look that's equal parts elegant and alluring. The built-in underwire provides flattering lift and confident support, while the backless design and cutout accents add a sultry, modern edge that elevates this swimsuit far beyond the ordinary. The solid nylon fabric has a smooth, luxurious feel that drapes beautifully against your skin, and the sleeveless silhouette allows for unrestricted movement and maximum sun exposure. Available in two timeless colorways — classic Black and warm Beige.
Perfect for: Beach vacations, pool days, resort stays, tropical getaways, cruise trips, or any warm-weather occasion where you want to look effortlessly chic and feel completely supported.
Details:
- Available in 2 timeless colors: Beige & Black
- Built-in underwire for flattering lift and confident support
- Daring backless design for sultry, alluring appeal
- Cutout accents for a modern, fashion-forward edge
- Sleeveless silhouette for unrestricted movement & sun exposure
- One-piece construction for secure, confident coverage
- Smooth luxurious nylon fabric drapes beautifully against your skin
- Boho vacation aesthetic for resort-chic styling
- Available in sizes S-L
Fit & Care: Slim fit. Hand wash cold with mild detergent, lay flat to dry to preserve underwire, nylon fabric, and cutout details.
Style tip: Pair with high-waist linen trousers or a flowy maxi skirt for a chic beach-to-dinner look, or wear solo with strappy sandals and a wide-brim hat for effortless poolside elegance.

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Shipping & Returns
Free Shipping on Orders $75+
We offer complimentary shipping on all orders over $75. For orders under $75, a flat shipping fee applies. It's our way of rewarding your support of London's Closet Boutique.
Delivery Timeline
We carefully process each order with meticulous attention to detail. Please allow 3-5 business days for order processing and preparation. Once your order ships, standard delivery takes 7-15 business days. You'll receive a tracking number via email so you can follow your package's journey to your door.
30-Day Exchange Policy
Not satisfied with your purchase? We offer hassle-free exchanges within 30 days of delivery. Items must be unworn, unwashed, and in original condition with all tags attached. Simply contact our customer service team to initiate an exchange.
International Shipping
We ship to select countries worldwide. International orders may be subject to customs duties and taxes. Shipping costs and delivery times vary by location. Contact us for international shipping rates and details.
Size Guide
How to Measure
To find your perfect fit, measure yourself in a well-fitting garment. Measure across the chest, waist, and hips at the fullest points. Keep the measuring tape relaxed and parallel to the ground.
Size Chart
XS: Chest 32-34", Waist 24-26", Hips 34-36"
S: Chest 34-36", Waist 26-28", Hips 36-38"
M: Chest 36-38", Waist 28-30", Hips 38-40"
L: Chest 38-40", Waist 30-32", Hips 40-42"
XL: Chest 40-42", Waist 32-34", Hips 42-44"
Fit Guide
Our pieces are designed with a modern, tailored fit. If you're between sizes, we recommend sizing up for a more relaxed feel. All items are pre-shrunk to maintain their fit after washing.
International Sizing
US to EU: Add 32 to your US size. US to UK: Subtract 2 from your US size. US to AU: Add 4 to your US size. Contact our customer service for detailed international sizing charts.