Black Open Back One-Piece Swimsuit Women UK | S–XL
Black Open Back One-Piece Swimsuit
Sleek, alluring and effortlessly chic — the Black Open Back One-Piece Swimsuit combines a classic black in 82% polyamide / 18% elastane with a dramatically open back for a one-piece that is as stunning from behind as from the front. High stretch. Sizes S–XL. Browse our swimwear collection.
Why You'll Love It
- Open back design — a dramatic open back that adds allure and sophistication.
- Classic black — the most versatile, slimming swimwear colour.
- One-piece silhouette — sleek, flattering and elegant.
- 82% polyamide / 18% elastane — quick-drying, chlorine-resistant and high stretch.
- Sizes S–XL (UK 8–22).
Fabric & Care
- 82% Polyamide + 18% Elastane. High stretch. Rinse after swimming. Machine wash cold on gentle. Dry flat.
How to Style It
The open back looks stunning with hair swept up. Style with simple flat sandals and minimal gold jewellery. Browse our swimwear.
Frequently Asked Questions
▶ How open is the back?
Refer to product images for the exact open back depth and styling.
▶ Is it padded?
Refer to product images for padding details.
▶ Can I swim in it?
Yes — the polyamide-elastane blend is designed for water.
▶ How does it size?
Standard UK S–XL. High stretch. True to size. Size by bust.
▶ Does the back stay secure while swimming?
The open back is designed for pool and beach wear. The structured front provides support while the open back remains secure. Refer to product images for the exact construction.
Specifications
| PRODUCT SPECIFICATIONS | |||
| Material | 82% Polyamide + 18% Elastane | Back | Open Back |
| Colour | Black | Style | One-Piece Swimsuit |
| Stretch | High | Sizes | S, M, L, XL (UK 8–22) |
- Material: 82%Polyamide+18%Elastane
- Machine wash 30°C · Do not tumble dry · Iron on low heat
- Model wears UK size 8 · Height 170 cm
- Standard UK (2–5 days) — free over £75, otherwise £3.99
- Express UK (1–2 days) — £5.99
- International — calculated at checkout
- 30-day easy returns · unworn with tags attached
All measurements in CM. When between sizes, size up.
| UK | EU | US | Bust | Waist | Hips |
|---|---|---|---|---|---|
| 6 | 34 | 2 | 80–83 | 61–64 | 87–90 |
| 8 / S | 36 | 4 | 84–87 | 65–68 | 91–94 |
| 10 / M | 38 | 6 | 88–91 | 69–72 | 95–98 |
| 12 / L | 40 | 8 | 92–95 | 73–76 | 99–102 |
| 14 / XL | 42 | 10 | 96–99 | 77–80 | 103–106 |
| 16 | 44 | 12 | 100–103 | 81–84 | 107–110 |
All measurements in CM. Measure over underwear. When between sizes, size up.
Open Back One-Piece Swimsuit Women UK
Fashion that fits your life, not the other way around
Every piece we curate is chosen for how it feels on real women — the cut, the fabric, the confidence it gives you the moment you put it on. Trend-led without being trend-driven.




