Save 36%
Onyx Long Sleeve One-Piece Swimsuit
Import duties included · Taxes calculated at checkout
Arrives Mon 10 Aug – Wed 19 Aug
Free shipping on orders over $75
30-day returns
Unworn, with the hygiene liner intact
Secure checkout
- Sleek long-sleeve silhouette
- Sophisticated minimalist design
- Comfortable, flexible fabric
- Ideal for swimming or lounging
Embrace effortless elegance with the Onyx Long Sleeve One-Piece, a sleek silhouette designed to make a statement by the water. With its refined cut and minimalist aesthetic, this piece offers a sophisticated look that transitions seamlessly from a morning swim to an afternoon lounge.
Crafted from a comfortable, flexible fabric blend, this swimsuit provides a smooth feel against the skin and an easy, flattering fit. Whether you are catching waves or enjoying a coastal brunch, its long-sleeve design offers a chic balance of coverage and style.
Care +
Rinse in cool water after each use and lay flat to dry in the shade.
Size & fit +
Sereia swimwear follows international sizing. If you're between sizes, or prefer a relaxed fit, size up.
In stock now: S, L, XL, M
Full size guide →Shipping & returns +
Tracked delivery worldwide. Free over $75, otherwise a flat $6.95.
Orders are prepared in 2–4 business days before they ship.
Shipping details →