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Size Guide.
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Body-hugging bustier bra for the comfortable days. Mona is playing with simplicity and refinery. Beautifully crafted smart placement of German hand-cut lace and worked against sustainably produced micro modal rip from Italy. Combine as your go-to staple item under deep-cut decolleté outfits, or wear it as your go-to staple item for a daily dose of ease or combine it with your favorite transparent blouse as a comfortable fashion statement.
Our model is 1,78m wearing Mona in size 2.
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.