Size Guide
The perfect bikini starts with the right size. Here you'll find all measurements for our bikini tops, bikini bottoms, swimsuits, men's swim shorts and activewear. All figures are body measurements in centimetres – not the measurements of the garment.
Good to know: our bikini tops and bottoms can be chosen separately, so you can combine different sizes for top and bottom.
How to measure
Ideally, measure in your underwear or without clothes, using a soft tape measure. The tape should sit snugly without digging in and stay level all the way round.
- Bust: measure around the fullest part of your bust, keeping the tape level across your back.
- Underbust: measure directly under your bust, where the band of a bra sits.
- Waist: measure around the narrowest part of your torso, usually just above your belly button.
- Hips: measure around the widest part of your hips and bottom, with your feet together.
Bikini tops
| Size | Bust (cm) | Underbust (cm) | Cup | EU dress size |
|---|---|---|---|---|
| XS | 81–85 | 66–70 | A–B | 32–34 |
| S | 85–89 | 70–74 | B–C | 34–36 |
| M | 89–94 | 74–79 | C–D | 36–40 |
| L | 94–99 | 79–84 | D–DD | 40–42 |
| XL | 99–104 | 84–90 | DD+ | 42–44 |
Not every style is available in every size. You'll find the available sizes on each product page.
Bikini bottoms
| Size | Waist (cm) | Hips (cm) | EU dress size |
|---|---|---|---|
| XS | 63–67 | 89–93 | 32–34 |
| S | 67–71 | 93–97 | 34–36 |
| M | 71–76 | 97–102 | 36–40 |
| L | 76–81 | 102–107 | 40–42 |
| XL | 81–87 | 107–113 | 42–44 |
If you're between two sizes, go by your hip measurement. With tie-side bottoms you can also adjust the fit using the ties.
Swimsuits
| Size | Bust (cm) | Underbust (cm) | Waist (cm) | Hips (cm) |
|---|---|---|---|---|
| XS | 81–85 | 66–70 | 63–67 | 89–93 |
| S | 85–89 | 70–74 | 67–71 | 93–97 |
| M | 89–94 | 74–79 | 71–76 | 97–102 |
| L | 94–99 | 79–84 | 76–81 | 102–107 |
| XL | 99–104 | 84–90 | 81–87 | 107–113 |
For swimsuits, bust and hips matter most. If they point to different sizes, choose the larger one.
Men's swim shorts
| Size | Waist (cm) | Hips (cm) | EU dress size |
|---|---|---|---|
| S | 78–82 | 92–97 | 46 |
| M | 83–87 | 97–102 | 48 |
| L | 88–92 | 102–107 | 50 |
| XL | 93–97 | 107–112 | 52 |
| XXL | 98–102 | 112–117 | 56 |
Activewear
| Size | Bust (cm) | Underbust (cm) | Waist (cm) | Hips (cm) |
|---|---|---|---|---|
| XS | 81–85 | 66–70 | 63–67 | 89–93 |
| S | 85–89 | 70–74 | 67–71 | 93–97 |
| M | 89–93 | 74–78 | 71–75 | 97–101 |
| L | 93–97 | 78–82 | 75–79 | 101–105 |
| XL | 97–101 | 82–86 | 79–83 | 105–109 |
Sports tops, leggings, biker shorts and bodysuits are stretchy and close-fitting. For sports tops, go by bust and underbust; for leggings and shorts, by waist and hips.
Fit tips for individual styles
- Lorena underwire top: XS for cup A–B, S for cup B–C, M for cup C–D, L for cup D–DD.
- Ibiza triangle top: true to size. For less coverage, order one size down. The double underbust band gives good support, even for a fuller bust. For the Ibiza top in vegan leather we recommend S for cup C and M for cup C–D to E.
- Lea underwire top: the model wears size XS with a 70B cup.
- Rosella ruffle top: the model wears size S with a 70B cup. The top offers light support, ideal for sunbathing. For more support we recommend the Ibiza or Lorena top.
- More support for a fuller bust: Ibiza, Eva, Lorena and Zahra (very strong support).
- Reyna one-shoulder top: especially flattering on narrower shoulders. For sporty activities we recommend the Ibiza top.
- Leyla bikini bottoms: the fabric moulds perfectly to your body after 2–3 wears.
- Tie-side bottoms (e.g. Malea, Bella, Lumière Leather): the side ties can be adjusted individually.
- Elma high-waist bikini bottoms: accentuate the waist and offer more coverage.
Not sure about your size?
We're happy to help you personally. Message us on Instagram @nookini_swim or email nookiniswim@gmail.com – ideally with your measurements and the style you like.
