icon

New to Fine Lines Lingerie? Sign up and get $10 off your first order* Sign Up

Search
0 Cart
Search
0 Cart

All Bras

Underline Bras

Our Top 3 Picks

Memory Foam

Bridal

Bra Accessories

On Sale

Style

T-Shirt

Strapless

Wire Free

DD+

Full Coverage

Push Up

Plunge

Convertible

Converts

Strapless

Criss Cross

Halter

Racer Back

Wide Back

Low Back

Backless

One Shoulder

Bra Fit Quiz

New: Bra Accessories

All Briefs

Underline Briefs

One-Size-Fits-Most

On Sale

Bikini

Full Brief

Thong

Hi Cut

Tanga

Boyleg

Bikini

Full Brief

Thong

Low Cut

Crew

Multipack

All Underline

Underline Bras

Underline Briefs

Illustration of breast spilling out of bra

My breasts are spilling out...

Illustration of bra riding up the back

My band is riding up...

Illustration of bra gaping at top

My cups are gaping...

Bra Fit Quiz

Blog

Solutions

FAQ's

Tips & Tricks

Size Guide

Sign Up For $10 Off!

backgroundLayer 1

Not sure of your bra size? Try our Bra Fit Quiz!

Shop All

Best Selling

Collections

Bra Accessories

Bridal

Underline

Dual Brief - NB041
(0)
$24.95 AUD
Jet / 10 Woodrose / 10 French Rose / 10
Dual Thong - NB031
(0)
$24.95 AUD
Jet / 10 Woodrose / 10
Dual Brief - NB041
(0)
$24.95 AUD
Jet / 10 Woodrose / 10 French Rose / 10
Dual Thong - NB031
(0)
$24.95 AUD
Jet / 10 Woodrose / 10
New
Underline - Enchant Brazilian Brief - EC062
(0)
$29.95 AUD
10 / Crystal 10 / Jet
New
Underline - Enchant Brazilian Brief - EC062
(0)
$29.95 AUD
10 / Crystal 10 / Jet
Underline - Enchant Brief - EC051
(0)
$39.95 AUD
Jet / 10
Sale
Underline Bliss G-String - BL031
(0)
$10.00 AUD $29.95 AUD
10 / Jet
Sale
Underline Bliss Brief - BL051
(0)
$10.00 AUD $29.95 AUD
10 / Almond
Sale
Underline Joy Bikini - JY041
(0)
$5.00 AUD $34.95 AUD
10 / Jet 10 / Rhubarb
Sale
Underline Joy Bikini - JY041
(0)
$5.00 AUD $34.95 AUD
10 / Jet 10 / Rhubarb
Sale
Underline Affair Bikini - AR041
(0)
$5.00 AUD $34.95 AUD
10 / Jet
Sale
Underline - Elevate Thong - NB032
(1)
$5.00 AUD $24.95 AUD
Steel / 10 Tulip / 10 Shell / 10 Jet / 10
Sale
Underline - Elevate Thong - NB032
(1)
$5.00 AUD $24.95 AUD
Steel / 10 Tulip / 10 Shell / 10 Jet / 10
Sale
Underline - Elevate Thong - NB032
(1)
$5.00 AUD $24.95 AUD
Steel / 10 Tulip / 10 Shell / 10 Jet / 10
Best seller
Sale
Underline - Elevate Thong - NB032
(1)
$5.00 AUD $24.95 AUD
Steel / 10 Tulip / 10 Shell / 10 Jet / 10
New
Sale
Mystery Wire Free bra - MY017
(0)
$30.00 AUD $49.95 AUD
10 / Jet
New
Sale
Mystery Brief - MY042
(0)
$10.00 AUD $29.95 AUD
10 / Jet 10 / Keepsake Lilac
New
Sale
Mystery Brief - MY042
(0)
$10.00 AUD $29.95 AUD
10 / Jet 10 / Keepsake Lilac
Sale
Fine Lines Lingerie - Mystery G String - MY031 - Jet Black / Lace
Fine Lines Lingerie - Mystery G String - MY031 - Jet Black / Lace
Mystery G String - MY031
(0)
$10.00 AUD $34.95 AUD
10 / Jet

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

Search