Core Racerback One Piece in Navy
Introducing our Racerback One Piece Swimsuit, part of our Core Swimwear Collection.
Our Racerback is both sporty and stylish with its striking signature chunky gold zip. This luxury swimsuit has a seamless fit with medium bottom coverage and racerback detail, creating an effortless silhouette with the secret self-bra offering enhanced support.
This impeccably cut swimsuit is made from our gorgeous signature textured honeycomb fabric. Also available in Black, White and Navy, Nautical Stripe and Snake Print, these luxury swimsuits are your most timeless holiday companion. Designed with love to last for many holidays to come.
- Secret self-bra for support
- Chunky gold zip
- Medium coverage on bottom
- Contrast binding
- Racerback feature
- Size up if you have a longer torso
The model is wearing a size L and has a 34D bust
Product reference: COREHK0257|DRK-NAV




Bikini Size Guide
We have created this chart to help you find your Heidi Klein size based on your bra size.
Size | UK Dress Size | UK Cup Size |
XS | 6 | A/B |
S | 8 | B |
M | 10 | B/C |
L | 12 | C/D |
XL | 14 | D/DD |
Size | UK Dress Size | US Dress Size | EU Dress Size |
XS | 6 | 2 | 34 |
S | 8 | 4 | 36 |
M | 10 | 6 | 38 |
L | 12 | 8 | 40 |
XL |
14 | 10 | 42 |
Heidi Klein Size | UK Dress Size | US Dress Size | EU Dress Size | Height |
XS | 6 | 2 | 34 | Petite |
S | 8 |
4 | 36 | Standard |
M | 10 | 6 | 38 | Standard |
L | 12 | 8 | 40 | Standard |
XL |
14 | 10 | 42 | Standard
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