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    Size 12DD

    Sale
    30% off
    4 Way Convertible Strapless Bra $27.96 $39.95
    Sale
    42% off
    Alive Bandeau Bra $20.00 $34.95
    Sale
    30% off
    Alive Bandeau Bra $24.46 $34.95
    Sale
    30% off
    Smooth Comfort T-Shirt Bra $27.96 $39.95
    Sale
    30% off
    Smooth Comfort T-Shirt Bra $27.96 $39.95
    Sale
    30% off
    Total Comfort Wire Free Bra $27.96 $39.95
    Sale
    30% off
    Total Comfort Wire Free Bra $27.96 $39.95

    Shop size 12DD bras at Kayser. A 12DD is a full cup size that requires well-constructed bras with wide underwire, deep cups and a firm band to deliver proper support throughout the day. The Kayser 12DD range includes smooth everyday T-shirt styles, structured underwire bras and comfortable wirefree options for women who prefer support without wire.

    Key styles in 12DD include the Alive T-shirt bra with smooth moulded cups and firm underwire, our Total Comfort Luxe T-Shirt Bra for lift and defined shaping and the Total Comfort Wire Free Bra for gentle all-day support. The 12DD size is available across lacy collections including Be Free for feminine and special-occasion options.

    Browse 12DD bras alongside the DD cup collection. Free AU delivery on orders over $75.

    Size Guide

    Find your best fit.

    Size Guide
    Knickers
    CM IN
    Size Hip Waist
    XS (8) 92 - 97 59 - 64
    S (10) 97 - 102 64 - 69
    M (12) 102 - 107 69 - 74
    L (14) 107 - 112 74 - 79
    XL (16) 112 - 117 79 - 84
    2XL (18) 117 - 122 84 - 89
    3XL (20) 122 - 127 89 - 94
    4XL (22) 127 - 132 94 - 99
    Size Hip Waist
    XS (8) 36 - 38 23 - 25
    S (10) 38 - 40 25 - 27
    M (12) 40 - 42 27 - 29
    L (14) 42 - 44 29 - 31
    XL (16) 44 - 46 31 - 33
    2XL (18) 46 - 48 33 - 35
    3XL (20) 48 - 50 35 - 37
    4XL (22) 50 - 52 37 - 39
    Bodysuits, Camis & Chemises
    CM IN
    Size Hip Waist Underbust Cup
    XS (8) 92 - 97 59 - 64 62 - 67 AA - B
    S (10) 97 - 102 64 - 69 67 - 72 A - C
    M (12) 102 - 107 69 - 74 72 - 77 B - C
    L (14) 107 - 112 74 - 79 77 - 82 B - D
    XL (16) 112 - 117 79 - 84 82 - 87 C - D
    Size Hip Waist Underbust Cup
    XS (8) 36 - 38 23 - 25 24 - 26 AA - B
    S (10) 38 - 40 25 - 27 26 - 28 A - C
    M (12) 40 - 42 27 - 29 28 - 30 B - C
    L (14) 42 - 44 29 - 31 30 - 32 B - D
    XL (16) 44 - 46 31 - 33 32 - 34 C - D
    Soft Cup Bras
    CM IN
    Band
    Triangle Cup
    UK/USA 30 32 34 36 38
    AUS 8 10 12 14 16
    Underband (cm)
    62 - 67 67 - 72 72 - 77 77 - 82 82 - 87
    A S S/M M L XL
    B S S/M M L XL
    C S S/M M L XL
    D S S/M M L XL
    Underband (in)
    24 - 26 26 - 28 28 - 30 32 - 34 34 - 36
    A S S/M M L XL
    B S S/M M L XL
    C S S/M M L XL
    D S S/M M L XL
    Bra size calculation chart
    CM IN
    UK/USA 30 32 34 36 38
    AUS 8 10 12 14 16
    Underbust Measurement (cm)
    Measure firmly around ribcage, directly underneath breasts.
    62 - 67 67 - 72 72 - 77 77 - 82 82 - 87
    Overbust Measurement (cm)
    Measure loosely around fullest part of bust.
    AA 72 - 75 77 - 80 82 - 85 87 - 90 92 - 95
    A 75 - 77 80 - 82 85 - 87 90 - 92 95 - 97
    B 77 - 80 82 - 85 87 - 90 92 - 95 97 - 100
    C 80 - 82 85 - 87 90 - 92 95 - 97 100 - 102
    D 82 - 85 87 - 90 92 - 95 97 - 100 102 - 105
    DD 85 - 87 90 - 92 95 - 97 100 - 102 105 - 107
    E 92 - 95 97 - 100 102 - 105 107 - 110
    F 95 - 97 100 - 102 105 - 107 110 - 112
    G 102 - 105 107 - 110 112 - 115
    H 105 - 107 110 - 112 115 - 117
    Underbust Measurement (in)
    Measure firmly around ribcage, directly underneath breasts.
    24 - 26 26 - 28 28 - 30 30 - 32 32 - 34
    Overbust Measurement (in)
    Measure loosely around fullest part of bust.
    AA 28 - 29 30 - 31 32 - 33 34 - 35 36 - 37
    A 29 - 30 31 - 32 33 - 34 35 - 36 37 - 38
    B 30 - 31 32 - 33 34 - 35 36 - 37 38 - 39
    C 31 - 32 33 - 34 35 - 36 37 - 38 39 - 40
    D 32 - 33 34 - 35 36 - 37 38 - 39 40 - 41
    DD 33 - 34 35 - 36 37 - 38 39 - 40 41 - 42
    E 36 - 37 38 - 39 40 - 41 42 - 43
    F 37 - 38 39 - 40 41 - 42 43 - 44
    G 40 - 41 42 - 43 44 - 45
    H 42 - 43 44 - 45 46 - 47

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