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Size Guide.
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Back in Stock - Fall 2025
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Meet Zena, the softest thong bodysuit your skin has ever felt. Meticulously crafted from sustainably sourced Italian micro modal rib and finished with exquisite German hand-cut lace, this piece is a celebration of refined sensuality.
Zena is designed to be seen - its interplay of opaque and sheer, shaped by organic lines, creates a bold, elegant silhouette. Wear it as a second-skin base layer or style it as a statement top under a power suit for an elevated, occasion-ready look.
Our model is 1,74 m and wears Zena in size 1.
Need help to find your size? View our
Size Guide.
Contact
us for further suggestions
we are innovators of bodywear for a strong sense of self
Size Guide
Size Guide International Sizes
FIND YOUR SIZE
Every body is unique, and every silhouette carries its own distinct beauty. At Opaak, we emphasize structure and intelligent textiles to enhance sensuality—always with comfort in mind. To discover your ideal fit within our range, we recommend using a measuring tape and following the guide below.
1/ BUST
Measure across your bust around the fullest point at a straight 90° angle.
2/ UNDERBUST
Measure directly underneath your bust and keep a 90° angle.
3/ HIP
Measure across the widest part of your hip make sure to keep a 90° angle.
Cup Bras
| Size | Bust (in cm) | Underband (in cm) |
|---|---|---|
| 75 A | 86 - 90 | 73 - 77 |
| 80 A | 91 - 95 | 78 - 83 |
| 70 B | 83 - 87 | 68 - 72 |
| 75 B | 88 - 92 | 73 - 77 |
| 80 B | 93 - 97 | 78 - 82 |
| 85 B | 98 - 102 | 83 - 87 |
| 70 C | 85 - 89 | 68 - 72 |
| 75 C | 90 - 94 | 73 - 77 |
| 80 C | 95 - 99 | 78 - 82 |
| 85 C | 100 - 104 | 83 - 87 |
| 65 D | 82 - 86 | 63 - 67 |
| 70 D | 87 - 91 | 68 - 72 |
| 75 D | 92 - 96 | 73 - 77 |
| 80 D | 97 - 101 | 78 - 82 |
| 85 D | 102 - 106 | 83 - 87 |
| 65 E | 84 - 88 | 63 - 67 |
| 70 E | 89 - 93 | 68 - 72 |
| 75 E | 94 - 98 | 73 - 77 |
| 80 E | 99 - 103 | 78 - 82 |
| 85 E | 104 - 108 | 83 - 87 |
| 65 F | 86 - 90 | 63 - 67 |
| 70 F | 91 - 95 | 68 - 72 |
| 75 F | 96 - 100 | 73 - 77 |
| 80 F | 101 - 105 | 78 - 82 |
Cup to Soft Bra Conversion
| Cup | 70 | 75 | 80 | 85 |
|---|---|---|---|---|
| A | - | 1 | 2 | 3 |
| B | 1 | 2 | 3 | 4 |
| C | 2 | 3 | 4 | - |
| D | 3 | 4 | - | - |
Bottoms
| Opaak | Hip (in cm) |
|---|---|
| 1 | 85 - 89 |
| 2 | 90 - 94 |
| 3 | 95 - 99 |
| 4 | 100 - 104 |
| 5 | 105 - 109 |
| 6 | 110 - 114 |
International Sizes
Underband Size Conversion
Cup A - F
| OPAAK | EUR | UK | FR | I | US | RU | JP |
|---|---|---|---|---|---|---|---|
| 65 | 65 | 30 | 80 | 0 | 30 | 65 | 65 |
| 70 | 70 | 32 | 85 | 1 | 32 | 70 | 70 |
| 75 | 75 | 34 | 90 | 2 | 34 | 75 | 75 |
| 80 | 80 | 36 | 95 | 3 | 36 | 80 | 80 |
| 85 | 85 | 38 | 100 | 4 | 38 | 85 | 85 |
Soft Bras, Bottoms, Bodies, Accessories
| OPAAK | EUR | UK | FR | I | US | RU | JP |
|---|---|---|---|---|---|---|---|
| 1 | 34 | 8 | 36 | 40 | 4 | 42 | 7 |
| 2 | 36 | 10 | 38 | 42 | 6 | 44 | 9 |
| 3 | 38 | 12 | 40 | 44 | 8 | 46 | 11 |
| 4 | 40 | 14 | 42 | 46 | 10 | 48 | 13 |
| 5 | 42 | 16 | 44 | 48 | 12 | 50 | 15 |
| 6 | 44 | 18 | 46 | 50 | 14 | 52 | 17 |
Unsure of your Opaak size?
We’re here to assist you in finding your ideal fit. Our team offers personalized guidance to help you discover the size and styles that best complement your unique shape - with care, expertise, and discretion.