Girls swimsuit O'NEILL BLACK OUT
Available Options
Composition : 92% Polyester
The O'NEILL girls' swimsuit in the subtle and elegant black color is the epitome of sophistication and style. With its classic and refined design, this swimsuit is perfect for any occasion at the beach or pool. The impeccable cut and high-quality material will provide you with comfort and confidence as you bask in the sun and cool water. Get ready to shine in this O'NEILL swimsuit, exuding elegance and refinement!
Approximate guide for children
Benetton sizes from 50 to 170 cm
The size in centimetres indicates the child’s reference height, not the length of the garment.
Complete conversion chart
This chart includes both the current clothing system and the rounded labels found on pyjamas and some older collections.
| Size / height | Letter size | Approximate age | Notes |
|---|---|---|---|
| 50 cm | — | 0–1 month | Newborn |
| 56 cm | — | 1–3 months | Newborn |
| 62 cm | — | 3–6 months | Baby |
| 68 cm | — | 6–9 months | Baby |
| 74 cm | — | 9–12 months | Baby |
| 82 cm | — | 12–18 months | Baby |
| 90 cm | — | 18–24 months | Toddler |
| 98 cm | — | 2–3 years | Children’s clothing |
| 100 / 104 cm | XXS | 3–4 years | 100 for pyjamas; 104 for clothing |
| 110 cm | XS | 4–5 years | Common to both systems |
| 116 cm | — | 5–6 years | Children’s clothing |
| 120 / 122 cm | S | 6–7 years | 120 for pyjamas; 122 for clothing |
| 130 cm | M | 7–8 years | Junior |
| 140 cm | L | 8–9 years | Junior |
| 150 cm | XL | 10–11 years | Junior |
| 160 cm | 2XL | 11–12 years | Junior |
| 168 / 170 cm | 3XL | 13–14 years | 168 in the current guide; 170 on some labels and pyjamas |
Official sources: Benetton international size guide, girls’ sizing chart and boys’ sizing chart.
Quick pyjama size guide
Rounded sizes commonly found on products like yours: