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30-Day Money-Back Guarantee
UK Family Brand Since 2011
UP TO 70% OFF
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Picture yourself walking confidently along the beach, diving into the water and relaxing poolside without constantly adjusting your swimwear. The Cosima Bikini is designed to flatter your shape, provide supportive comfort and help you enjoy every summer moment with confidence.

Designed with a flattering high-waisted fit and thoughtful shaping details, the Cosima Bikini smooths and enhances your natural silhouette without feeling restrictive. It offers the confidence to enjoy the beach without worrying about every reflection.
Built-in support and a comfortable stretch fabric provide the perfect balance between security and flexibility. Swim, stroll or relax knowing your bikini stays comfortably in place throughout the day.

The flattering design provides just the right amount of coverage while maintaining a feminine, stylish look. Feel confident whether you're sunbathing, swimming or spending the day by the pool.
The elegant floral contrast pattern adds a fresh, sophisticated touch that stands out without overpowering your look. It's a timeless style you'll love wearing season after season.
Thoughtfully designed with adjustable features and a secure fit, this bikini lets you focus on making memories instead of constantly adjusting your swimwear. From beach holidays to spa weekends, you'll feel comfortable, confident and effortlessly stylish.

Leave behind swimwear that makes you feel self-conscious and embrace a bikini designed for real confidence. The Cosima Bikini combines flattering support, elegant style and lasting comfort so you can enjoy every moment in the sun.
All our orders in the UK are shipped via Royal Mail, Evri and DPD, with the possibility of tracking the shipment (Track & Trace).
If you place an order by 11:00 PM, your package will be shipped the next day at the latest - completely free of charge. This way you will receive your order quickly and at no extra cost!
At Renley we offer a 30-day risk-free money back guarantee. If you are not satisfied with our product, we will refund your money.
At Renley, we are always here for you. You can contact us at any time of the day and count on our dedicated customer service team to help you with all your questions and needs.
Use the contact form or send an email to info@renley-london.com to get in touch with us.
Amanda,
Madison
and over 25k+ other people wear Renley London.


Renley London offers unique clothing, footwear and accessories, handmade and of the highest quality. Each product, made by talented artisans, embodies timeless class and unmatched authenticity.

This season, we wanted to give something back. As a UK-based, woman-owned business, your support means everything to us. Every purchase helps us keep doing what we love: curating timeless pieces that make women feel confident and beautiful.
This Anniversary Sale is a rare chance to shop our items at up to 70% off, but only while stock lasts. These styles won't be restocked, and sizes are going fast.
If something's caught your eye, now's the moment to make it yours.
With heartfelt thanks,
Lucy and the Renley London Team

We love our products and are confident that you will too! That’s why we offer a 30-day money-back guarantee. If the product doesn’t meet your expectations, simply return it for a full refund.
Amanda D.
"Fast delivery and beautiful items!"
I was surprised how quickly my package arrived at home! Renley's clothes are not only beautiful but also of high quality. The fit is exactly as described. This is definitely not my last order here!
Andrew M.
"High quality clothes"
Great experience! Fast delivery and the quality of the clothes is top notch. Everything was perfect and exactly as described. Definitely recommend!
Megan L.
"Excellent customer service"
My experience with Renley was fantastic! Customer service is very helpful and answers questions quickly. I had a problem with the size of a dress and they exchanged it without any problems. Very happy with both the service and the clothes.
Rachel J.
"Very stylish!"
I am totally in love with their clothes. The collection is so elegant and timeless, perfect for any occasion. The quality is excellent and the fabrics feel great on the skin.
We usually process orders within 1-2 business days, after which they are carefully prepared and shipped via Royal Mail and DPD. A tracking link will be sent to you as soon as your order has been shipped.
We accept payments via American Express, Visa, Mastercard, Apple Pay, Google Pay, Shop Pay and PayPal. All transactions are 100% secure thanks to our certified payment partner.
As soon as your order has been shipped, you will receive an email with a Track & Trace link so you can keep track of your delivery status.
Yes, you have 30 days from the date you receive your order to return it if you are not completely satisfied. The process is simple and we are here to help you every step of the way.
You can contact us via our email address: info@renley-london.com.
We will be happy to help you.