Core Side Tie Bikini Bottom in Nautical Stripe
Simplicity perfected. Our classic Triangle Bikini Bottom in Nautical Stripe offers understated chicness in a timeless triangle shape. Adorned with signature Heidi Klein gold bamboo trims, the adjustable rope ties create a perfect fit for anyone.
This impeccably cut bikini is made from our gorgeous textured honeycomb sustainable fabric with exactly the right amount of coverage.
This go-anywhere, do-anything luxury bikini delivers unparalleled quality and will last for many holidays to come.
Shop the matching triangle bikini top here.
Our Triangle Bikini top is part of the Core Swimwear Collection.
- Adjustable rope side ties
- If you prefer more coverage size up
- Bespoke gold hardware at the back waist and gold bamboo hardware
Product reference: COREHK0212STP-STP



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
|