OUR SIZE GUIDE
Find your perfect fit with our comprehensive sizing guide. This guide provides an overall sizing reference for our designs. Fit may vary by style and fabric, so please refer to the product description for individual fit recommendations if they vary from the size guide.
Bust: Measure around the fullest part of your bust while wearing a non-padded bra or bikini top.
Waist: Measure around the narrowest part of your natural waistline.
Hips: Measure around the fullest part of your hips and bottom.
| Willow & Wave Size |
Bust (cm) |
Waist (cm) |
Hips (cm) |
| XS |
80-84 |
61-65 |
86-90 |
| S |
85-89 |
66-70 |
91-95 |
| M |
90-94 |
71-75 |
96-100 |
| L |
95-99 |
76-80 |
101-105 |
| XL |
100-104 |
81-85 |
106-110 |
| Willow & Wave |
UK |
US |
EU |
| XS |
6-8 |
2-4 |
34-36 |
| S |
8-10 |
4-6 |
36-38 |
| M |
10-12 |
6-8 |
38-40 |
| L |
12-14 |
8-10 |
40-42 |
| XL |
14-16 |
10-12 |
42-44 |
| Willow & Wave Size |
Recommended Cup Sizes |
| XS |
28C-D, 30A-C, 32A-B |
| S |
30D-DD, 32B-C, 34A-B |
| M |
32D-DD, 34B-D, 36A-C |
| L |
34DD-E, 36C-D, 38A-C |
| XL |
36DD-F, 38D-DD, 40A-C |
Please note: This guide is intended as a recommendation only. Adjustable straps and tie fastenings allow flexibility across cup sizes.
If you are between sizes, we recommend sizing up for the most comfortable fit.
Adjustable ties and straps provide flexibility in fit.
If your bust and hip measurements fall into different size categories, we recommend choosing the size that best accommodates your bust measurement.
Our swimwear is designed to fit securely while remaining comfortable for all-day wear.
All measurements are approximate and may vary slightly. If you're inbetween sizes and want a smaller look, we recommend sizing down. If you'd like more coverage, we recommend sizing up. For personalised sizing advice, please contact our customer service team.
