UK/International bra size chart

Bra fitting help and support

Perfect Fit Promise

Not sure about your Runderwear size? Unsure of how our sizing compares to other brands? Our resident bra fit expert is on hand to help.

Molly is here to help you find the perfect fit. We offer free exchanges until you are confident that you’ve found your perfect match.

Call us on 0800 061 4021 or email brahelp@runderwear.co.uk

UK/International bra size chart

We recommend using the runderwear Bra Size Finder to find your perfect fit! But don't worry - we do offer free exchanges until you find yours.

UK

USA

AUS/NZ

EUROPE

28D

28D

6D

60D

28DD

28DD/E

6DD

60E

28E

28DDD/F

6E

60F

30C

30C

8C

65C

30D

30D

8D

65D

Balance bra sizes

Size

S

M

L

XL

UK Size

8-10

10-12

12-14

16-18

US Size

4-6

6-8

8-10

12-14

Bust (inches)

35

37

39

41

Bust (cm)

90

95

100

105

Waist (inches)

27

29

31

33

Waist (cm)

70

75

80

85

Hips (inches)

37

39

41

43

Hips (cm)

95

100

105

110

What's your Runderwear size?

We’re here to support you. Literally.

Uncover your Runderwear size.

Because with support comes confidence.

And with confidence comes results.

Our range

Image of a lady running wearing the black power running bra

Power

Our Power Running Bra is secure and supportive - and with great support comes confidence.

Image of a lady running wearing the blue energize running bra

Energize

The Energize Running Bra is designed to be lightweight but super-strong, so it provides total support without any distraction.

Image of a lady stretching wearing the blue balance running bra

Balance

Choose smooth with the runderwear Balance Sports Bra - the perfect lightweight compliment to your training wardrobe.