BY Signature — Black Scoop-Neck One-Piece Swimsuit pairs a clean black silhouette with a signature gold-tone BY chest monogram for an understated beach-club look. The scoop neckline, low scoop back and cheeky cut bring a confident Bikini Yes finish to this streamlined swimsuit.
Designed for beach holidays, poolside afternoons and resort escapes, this black one-piece styles easily with a sheer cover-up, an open linen shirt or a flowing wrap skirt. Four-way stretch allows comfortable movement, while a double-layer front adds structure to the smooth silhouette.
💬 The Signature Black Statement
Clean black fabric with a signature gold-tone BY chest monogram
Scoop neckline for a timeless swim look
Low scoop back with a cheeky-cut silhouette
Minimalist styling for beach days and resort escapes
A one-piece that pairs effortlessly with your vacation wardrobe
✨ Stylish yet practical
- One-piece swimsuit with a scoop neckline and low scoop back
- Four-way stretch for comfortable movement
- Chlorine-resistant fabric
- Double-layer front
- Durable zig-zag stitching
- Black colourway with printed gold-tone BY artwork
- Available in S, M, L and XL
- Made to order
💖 Why You'll Love It
- The signature BY monogram gives this black swimsuit a distinctive finish
- The scoop neckline and low back create a balanced, streamlined silhouette
- Cheeky coverage adds a confident finishing touch
- Four-way stretch supports comfortable movement in and out of the water
- Black and gold-tone details pair beautifully with neutral or colourful cover-ups
- Easy to style with linen trousers or a wrap skirt for a poolside look
✨ Complete the Look
Layer this one-piece with an open beach shirt or a sheer style from our Beach Cover Ups collection. Explore more One-Piece Swimsuits, or discover more exclusive designs in the BY Signature Collection.
🧵 Fabric & Fit
- US fulfilment: 78% polyester, 22% elastane; 290 g/m²
- EU fulfilment specification: 84% polyester, 16% elastane; 230 g/m²
- Actual fabric composition and weight depend on the fulfilment location
- Stretch: Four-way stretch
- Construction: Double-layer front with zig-zag stitching
- Neckline: Scoop neck
- Back: Low scoop back
- Coverage: Cheeky
- Available sizes: S, M, L, XL
Print detail: The BY monogram is printed in a gold-tone colour.
🧼 Care Instructions
Rinse thoroughly after each swim to remove chlorine and salt residue. Follow the garment care label for washing and drying. Avoid rough surfaces and prolonged contact with harsh chemicals.
Each one-piece is made to order. The swimsuit features a double-layer front and zig-zag stitching.
🚚 BY Signature Shipping
Made to order. Available in Canada 🇨🇦 and the USA 🇺🇸 only, with tracking. Ships separately from our regular collection. Shipping is calculated at checkout; standard free-shipping thresholds and free-shipping promotions do not apply. Please allow time for production before dispatch.
📏 Find Your Fit — Size Guide & How to Measure
Need help choosing your size? Open How to Measure & Find Your Fit for our measurement guide.
Body measurements: Use your bust, waist and hip circumferences to choose your size. Keep the tape level and comfortably snug without pulling it tight. These are body measurements, not measurements of the swimsuit laid flat. Torso length and personal fit preference also affect one-piece swimsuit fit.
A — Bust / Chest: Measure around the fullest part of your bust.
B — Waist: Measure around your natural waistline.
C — Hips: Measure around the fullest part of your hips.
Body Size Guide — Inches
| Size |
Bust / Chest (in) |
Waist (in) |
Hips (in) |
| S |
34⅝ |
26¾ |
37 |
| M |
36¼ |
28⅜ |
38⅝ |
| L |
37¾ |
29⅞ |
40⅛ |
| XL |
41 |
33⅛ |
43¼ |
Body Size Guide — Centimetres
| Size |
Bust / Chest (cm) |
Waist (cm) |
Hips (cm) |
| S |
88 |
68 |
94 |
| M |
92 |
72 |
98 |
| L |
96 |
76 |
102 |
| XL |
104 |
84 |
110 |
Detailed Swimsuit Measurements — Inches
These are actual garment measurements, taken with the swimsuit laid flat and unstretched. Compare with a similar swimsuit you already own. These widths and length are not body circumferences. Handmade measurements may vary by up to 1 inch.
| Size |
A — Chest Width (in) |
B — Hip Width (in) |
C — Length (in) |
| S |
13 |
14⅜ |
26⅛ |
| M |
13¾ |
15⅛ |
26⅝ |
| L |
14⅝ |
16 |
27 |
| XL |
16⅛ |
17½ |
27¾ |
A — Chest width: Across the swimsuit at chest level, laid flat.
B — Hip width: Across the swimsuit at the hips, laid flat.
C — Length: From the top of the shoulder strap to the lowest point at the crotch, following the points shown in the diagram.
Colours and print placement may vary slightly. Fit depends on body shape, torso length and personal preference. Please review this item’s measurements before ordering.
