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Opaak is brought to you by:

Opaak GmbH
Binterimstr. 12
40223 Düsseldorf
Email: info(at)opaak.de

Company Director
Agata D. Dzialocha

Registered in the German Commercial Register
Register Court: Amtsgericht Düsseldorf
Register Nr: HRB 110235
VAT Identification No. 27 a UstG (German Value Added Taxt Act): DE306602318

Responsible for content of Opaak GmbH pursuant to 55 sub-section 2 RStV (German Interstate Broadcasting Agreement) gem. 55 RStV: Agata D. Dzialocha

© 2025 Opaak GmbH - All rights reserved

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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.

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