With quality and sustainability at the heart of everything we do, Cosmokini creates ‘no compromise’ swimwear for conscious shoppers with maximum style.


Designed and manufactured in the UK, Cosmokini creates ethically produced, luxury swim with a focus on the details that matter. From our commitment to double lining every piece of swim to sourcing only the best high-performance ethical fabrics, our beautifully made swimwear proves when it comes to sustainable design, you don’t have to compromise.




The foundation of Cosmokini comes from wanting to create modern design in new ways. Blending cosmopolitan and bikini, our name represents our open mindset and our desire to explore and create our own rules.


Our DNA is the balance of quality and sustainability. Both equally important in everything Cosmokini designs and makes.


Refusing to cut corners or compromise no matter what, every detail and accent on every piece of swim is designed to create a better-finished product for our customers. Simultaneously, we refuse to give in to a fast fashion mentality. Our pieces are made to last, which is why the details matter so much.


For our designs we use the highest quality sustainable fabric made with ECONYL ® yarn, a 100% regenerated nylon fiber made from nylon waste otherwise polluting the Earth, like fishing nets, fabric scraps, carpet flooring and industrial plastic rescued from all over the world.  The fabric is perfect to create high-end, supportive, structured and colour and shape resistant swimwear.


The Cosmokini ‘no compromise’, design-led approach is what sets our brand apart.




The future of the fashion industry is all about sustainability. Cosmokini will be at the forefront of modern sustainable design and sourcing.


We will continue to work with our ethical partners to discover the very best quality recycled fabrics, building the Cosmokini brand and expanding our offering.


Continuing to design and manufacture in the UK, Cosmokini supports British industry.

Our future remains Brit-focused, working with UK partners and manufacturers and supporting British talent.


While Cosmokini already works with both Aquafil (producer of the ECONYL® yarn) and Healthy Seas, we will continue to do so. While we know there is much work to be done and so much more to learn, we will continue to seek out partners to ensure our brand is as sustainable

as possible from fabric to finishings.




The Cosmokini customer is a conscious style lover. She wants to free her collections of fast fashion and reduced quality. And instead, focus on choosing more wisely and creating a transitional wardrobe with pieces that truly last.


While quality is high on our customer’s agenda and the fit, structure and cut of our pieces are crucial to the way she feels wearing them, she’s also committed to making ethical choices.


She knows beautiful quality, incredible details and ethically sourced fabrics impact price and she wants to invest in longer-lasting pieces that she’ll enjoy season after season.





Cosmokini was founded by a collective of British designers, manufacturers and creatives. All with one goal in mind. Beautifully high-end women’s swimwear, made ethically, without compromise.


With a wealth of design and cut and sew experience and a distaste for the fast fashion culture of today, our team decided to make the change we so craved. Working together to design supremely flattering and ultimately supportive luxury swimwear, we built a brand based on our combined beliefs. That luxury swim and sustainable design

can, and should, live hand in hand.


Our team live and work from the UK only, making us a British swimwear brand through and through. Welcome to the world of Cosmokini, where slow fashion, better quality and sustainable sourcing is etched into everything we do. Cut with impeccable style.