Buy a 2-pack and save $30!*

2-pack Refined 6-way Low Cut Strapless Bra - RL030A $89.00 $119.90

2-pack Refined 5 Way Convertible Bra - RL026A $89.00 $119.90

2-pack Refined 5 Way Convertible Push Up Bra - RL023A $89.00 $119.90

2-pack Memory Strapless Bra - MM014 $89.00 $119.90

2-pack Memory Full Coverage Bra - MM032 $89.00 $119.90

2-pack Supersoft Convertible Wireless Bra - SO013 $89.00 $119.90

2-pack Attitude Strapless Bra - AT016 $89.00 $119.90

2-pack Attitude T-Shirt Bra - AT012 $89.00 $119.90

2-pack Attitude Wireless Plunge Bra - AT013 $89.00 $119.90

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T-Shirt Bras T-Shirt Bras

DD+ Bras DD+ Bras

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Wire Free Bras Wire Free Bras

Convertible Bras Convertible Bras

Plunge Bras Plunge Bras

The Fit Room

The Best Bras to Wear Under a White T-Shirt

A white t-shirt is a wardrobe staple, but finding the right bra to wear underneath them can be tricky.

Underwire Bras vs Wireless Bras

Wired vs wireless bras: Which isbest for you? Explore how each style supports different shapes & needs.

What’s Trending for Autumn 2025

As the crisp air of Autumn settles in, the lingerie industry is embracing a blend of elegance, comfort and modern innovation.

Australia's Most Comfortable Bras

Behind every great outfit, there's a really great bra! Our expert designers fit on real women of all shapes and sizes and only use the best quality fabrics, foam and hardware to ensure that you're wearing the most comfortable bras that are #TheFitOfYourLife. That means strapless bras that won't slip, straps that won't dig, wires that won't poke and a bra that is no hassle! You can trust in Fine Lines.

Tried. True.
Loved By You.

Discover the Fine Lines Difference

Proudly Australian

Designed in our converted warehouse in Carlton North, we are proudly Australian owned and operated.

Superior Quality

We only use the best quality fabrics, foam and hardware to provide comfortable solutions that never let you down.

Comfort First

Famous for our strapless and convertible bras, we never compromise on fit and comfort.

Free Returns

We stand by the fit and quality of our products so if you get it wrong, we'll make it right with free returns within Australia.

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

Fine Lines Lingerie

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Bras to double
down on

Bras to double
down on

Buy a 2-pack and save $30!*

Shop By Style

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of your life

The Fit Room

The Best Bras to Wear Under a White T-Shirt

Underwire Bras vs Wireless Bras

What’s Trending for Autumn 2025

Tried. True.
Loved By You.

Discover the Fine Lines Difference

Proudly Australian

Superior Quality

Comfort First

Free Returns

Currency

Currency

Size Guide

Fine Lines Lingerie

Currency

Currency

Bras to doubledown on

Bras to doubledown on

Buy a 2-pack and save $30!*

Shop By Style

Find the fit of your life

The Fit Room

The Best Bras to Wear Under a White T-Shirt

Underwire Bras vs Wireless Bras

What’s Trending for Autumn 2025

Tried. True.Loved By You.

Discover the Fine Lines Difference

Proudly Australian

Superior Quality

Comfort First

Free Returns

Currency

Currency

Size Guide

Search

Bras to double
down on

Bras to double
down on

Find the fit
of your life

Tried. True.
Loved By You.