Experience support and feminine style with our one-piece swimsuit featuring a sweetheart neckline! This award-winning favourite is now reimagined in a new, softer and stretchier fabric. Simply better than ever.
Crafted with our recycled, double-layered, thicker-than-average fabric, this piece hugs your body in all the right places. The wide, adjustable straps and the removable paddings offer comfort and versatility. A chic touch is added by the flattering neckline, while the seamless finish ensures a sleek look.
Try styling with shorts, jeans, or a skirt!
2% of your purchase for this piece is donated to protect the Baltic Sea. Read more here.
A thick, double-layered fabric
Boxy sweetheart neckline
Removable paddings
Wide, adjustable straps
Seamless finish
No itchy tags
The brunette model is 174cm tall and is wearing size S. The blonde model is 173cm tall and is wearing size L.
This product runs true to its size and is versatile due to its adjustable qualities. If you're in between sizes, we recommend sizing up for an optimal fit.
Take a look at our Size Chartand find your perfect fit!
78% recycled polyamide, 22% elastane.
Hand wash cold with similar colours, dry flat in shadow. Do not iron, bleach or tumble dry.
Free shipping within Finland.
Orders received before 16:00 are shipped out the following business day.
"Ui Swim's swimming shorts are the best I've ever owned, thanks to their high elasticity. I wear them constantly for other sports too, like bouldering."
Rasmus R
Verified customer
★★★★★
"The thick and supportive fabric is a game-changer. I don't even want to wear my old bikinis anymore!"
Emma K
Verified customer
★★★★★
"The fabric on these swimsuits is like a hug for your body. I feel incredibly comfortable and supported. Thank you!"
Lotta H
Verified customer
★★★★★
"The best bikinis ever <3"
Marika S
Verified customer
★★★★★
"I can't get enough of Ui Swim's one-pieces. They fit like a dream and make me feel so confident. I love wearing them as a top too!"
Charlotta S
Verified customer
Swimsuits | Sweetheart Neck Swimsuit in Black - uiswim.com