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Finelines Lingerie
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Finelines Lingerie

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  • SHOP ALL
    • Bras
    • Briefs
    • Underline
    • Lounge Wear
    • Tops
    • Bundles
    • Gifting
    • Sale
  • Bras
    • Strapless
    • Low Back
    • Plunge
    • T-shirt
    • Full Coverage
    • Wireless
    • Bustiers
    • Bodysuit
    • Bridal
    • DD+
    • Underline
  • Briefs
    • Bikini
    • Brief
    • Thong
    • One-Size-Fits-Most
    • Bundles
    • Underline
  • Fit room
    • We Give Back
    • Solutions
    • Tips & Tricks
    • News
    • Bra Fit Guide
  • Collections
    • Confidence
    • First Fit
    • Flawless Fit
    • Invisibles
    • Memory
    • Pure Fit
    • Refined
    • Supersoft
    • Memories
    • Seamless
  • Underline
    • All
    • Bras
    • Briefs
    • Laser
    • Elevate
    • Fierce
    • Promise
    • Trio
  • SALE
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Home / Underline
UNDERLINE

Let's lay it on the line. Refuse to compromise. Reshape the conversation. Defy stereotypes. Make our mark. Step up. Take the lead. We know that one bra can't change the world. But one woman with the right support can. Let's stop looking for the right body. Let's find the right fit. Let's redefine intimates.

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FIERCE

Vulnerable. Strong. Sexy. Empowered. Authentic satin smooth fabrics combined with fishnet mesh allows for a striking, modern take on the traditional. Don’t wait for permission. Take a leap of faith and be fierce, like mother nature intended.

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PROMISE

Defy Stereotypes. Edgy yet feminine and romantic. Waiting to be seen and always to be remembered. Delicate mesh, floral eyelash lace and directional rose gold hardware work in striking ways to add a touch of decadence to a special moment in time.

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Laser

Perfectly placed precision cut details bond together creating modern lines and everything in between. Graphic styles with a smooth transition to the skin. Sleek and sophisticated and yours to love for all their versatile styling possibilities. Redefine intimates.

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ELEVATE

Refuse to compromise. Intricate and feminine, these simultaneously feel luxurious and look provocative. Superfine silky fabrics and lace combine with silver hardware for a modern and flattering finish. Versatile styling possibilities for real women who want to step up.

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TRIO

Let’s lay it on the line. Angled lines create a strapping effect that is straight, broad and delicate. Mesh trims and hardware combine to make a strong impact allowing you to move with ease. Know which direction to take and stop at nothing.

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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
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
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
Overbust Measurement (cm)
Measure Firmly
62 - 67 67 - 72 72 - 77 77 - 82 82 - 87
Overbust Measurement (cm)
Measure Loosely
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
F 102 - 105 107 - 110 112 - 115
G 105 - 107 110 - 112 115 - 117
Overbust Measurement (in)
Measure Firmly
24 - 26 26 - 28 28 - 30 30 - 32 32 - 34
Overbust Measurement (in)
Measure Loosely
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
F 40 - 41 42 - 43 44 - 45
G 42 - 43 44 - 45 46 - 47

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Free Delivery over $75! Packages are dispatched within 24 hours after receipt of payment and are shipped via Australia Post (local) or DHL (overseas) the next business day. Read more about our Delivery Policies.

  • Australia: 5-7 business days via Australia Post 
  • Australia express shipping: 2-4 business days via Australia Post
  • New Zealand: 1-2 business days via DHL
  • UK & Europe: 2-3 business days via DHL
  • US: 1-2 business days via DHL to West Coast; 2 business days to East Coast


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