icon

Bras from $20* Shop Clearance Sale

Sign up for $10 off* your first order. Sign Up

Free AU Shipping on $79+ orders* Shop Now

Pay it in 4 with Afterpay. Learn more

Search
0 Cart
Search
0 Cart
Shop By Style​
Shop By Conversion​
Shop By Collection​

Fitting Room

Low Back? We’ve got yours.

Low Back? We’ve got yours.

Looking for the Best Bra for Low Back Tops?
Enter the Refined Collection

  • January 28, 2025
  • 3 min read
Why Does My Bra Feel Too Tight Around My Ribs?

Why Does My Bra Feel Too Tight Around My Ribs?

Why does your bracouldfeel tight or uncomfortable around your ribs and what can you do to fix it.

  • January 27, 2025
  • 4 min read
Why Are My Bra Cups Puckering?

Why Are My Bra Cups Puckering?

Discover why your bra cups pucker and how to fix gaping cups,wrinkles and or creases for a flawless fit.

  • January 27, 2025
  • 3 min read
The Secret to the Perfect Fitting Bra by Fine Lines Lingerie

The Secret to the Perfect Fitting Bra

Looking for the perfect fitting bra? OurBack to Bra School series is here to help you find the Fine Lines fit of your life. 

  • January 26, 2025
  • 3 min read
Why Do My Bra Straps Keep Slipping Off My Shoulders?

Why Do My Bra Straps Keep Slipping Off My Shoulders?

Discover how to how to fix the three most common bra strap problems so that you can be feel comfortable and confident with every wear.

  • January 26, 2025
  • 3 min read
How To Solve the Most Common Bra Problems

How To Solve the Most Common Bra Problems

Looking for thesecret to aperfectfit? OurBack to Bra School series is here to help solveto the most commonbra fit issues 

  • January 26, 2025
  • 4 min read
Why do my breasts spill out of my bra?

Why do my breasts spill out of my bra?

Bra ‘spillage’, ‘second boob’ or ‘back bulge’ is a common problem in busty women. It's usually down to incorrect bra size, but it’s also caused by certain breast types and styles of bra. 
  • January 25, 2025
  • 2 min read
Why is my bra gaping at the top?

Why is my bra gaping at the top?

If your bra is gaping at the top, it usually means the cup size is too big for you. However, it could also be due to the shape of your breasts and style of the bra.
  • January 25, 2025
  • 1 min read
Why does my bra ride up at the back?

Why does my bra ride up at the back?

Wondering why your bra rides up at the back? Use our simply checklist to ensure you're wearing the correct bra size.
  • January 25, 2025
  • 3 min read
Why Lingerie Makes the Perfect Gift for Your Loved One this Valentine’s Day by Fine Lines Lingerie

Why Lingerie Makes the Perfect Gift for Your Loved One this Valentine’s Day

Discover why lingerie is an exceptional gift (in our opinion) that can make your loved one feel beautiful, confident and cherished.

  • January 15, 2025
  • 2 min read
The Ultimate Multitasker

The Ultimate Multitasker

Switch, change, and rearrange your looks with our collection of convertible bras from Fine Lines Lingerie.  

  • December 09, 2024
  • 2 min read
Getting Summer Ready

Getting Summer Ready

As the days get longer and the temperature rises, it’s time to get your wardrobe ready for summer!
  • November 11, 2024
  • 2 min read
OF PRODUCTS
LOAD MORE

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