Enjoy $10 off* our newest collection. Offer code: NEWIN10
Fine Lines black bras and underwear are all about sleek, effortless style. Our best-selling seamless Invisibles in black are a wardrobe staple—perfectly smooth under any outfit, giving you that no-show look we all want. If you're in the mood for something a little more daring, discover our new Attitude Plunge Bra Collection, with its sexy, deep neckline and cheeky silhouettes, it’s designed to make you feel confident and sexy. Whether you’re going for understated or bold, Fine Lines has the perfect black bra and underwear for your lingerie wardrobe.
Find your best fit.
Size GuideSize | 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 |
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 |
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 |