-
Need to contact us?
- Call 0800 802 1057
- Mon. - Fri.
- 9 AM - 6 PM (GMT)
- Sat. & Sun. Closed
-
Find Help
-
Online Ordering
-
Sizing Guides
Sports Bra Size Guide
Use the chart below to convert your bra size to your New Balance alpha size (XS-XXL) or split alpha size (XS A-C thru XXL D-DD).
View Size GuideDon’t know your bra size? Use your measurements instead.
Find your underbust measurement by wrapping a measuring tape underneath your bust where your bra band usually sits. Your underbust measurement will correspond with "Band Size."

Find your overbust measurement by wrapping a measuring tape over your bust at the widest part.
Find your alpha size by matching your band size with your overbust measurement in the chart below.


Underbust Measurement | 63.5 cm - 66 cm | 68.5 cm - 71 cm | 73.5 cm - 76 cm | 78.5 cm - 81 cm | 84 cm - 86cm | 89 cm - 91.5 cm | 94 cm - 96.5 cm | 99 cm - 101.5 cm |
---|---|---|---|---|---|---|---|---|
Band Size | 30 | 32 | 34 | 36 | 38 | 40 | 42 | 44 |
A |
63.5-66 XS XS (A-C) |
68.5-71 32A S S (A-C) |
73.5-76 34A S S (A-C) |
78.5-81 36A M M (A-C) |
84-86 38A L L (A-C) |
89-91.5 42A XL XL (A-C) |
94-96.5 42A XL XL (A-C) |
99-101.5 44A XXL XXL (A-C) |
B |
63.5-66 30B XS XS (A-C) |
68.5-71 32B S S (A-C) |
73.5-76 34B S S (A-C) |
78.5-81 36B M M (A-C) |
84-86 38B L L (A-C) |
89-91.5 40B XL XL (A-C) |
94-96.5 42B XL XL (A-C) |
99-101.5 44B XXL XXL (A-C) |
C |
63.5-66 30C XS XS (A-C) |
68.5-71 32C S S (A-C) |
73.5-76 34C M M (A-C) |
78.5-81 36C L L (A-C) |
84-86 38C L L (A-C) |
89-91.5 40C XL XL (A-C) |
94-96.5 42C XL XL (A-C) |
99-101.5 44C XXL XXL (A-C) |
D |
63.5-66 30D S S (D-DD) |
68.5-71 32D S S (D-DD) |
73.5-76 34D M M (D-DD) |
78.5-81 36D L L (D-DD) |
84-86 38D XL XL (D-DD) |
89-91.5 40D XL XL (D-DD) |
94-96.5 42D XXL XXL (D-DD) |
|
DD |
63.5-66 30DD S S (D-DD) |
68.5-71 32DD M M (D-DD) |
73.5-76 34DD M M (D-DD) |
78.5-81 36DD L L (D-DD) |
84-86 38DD XL XL (D-DD) |
89-91.5 40DD XL XL (D-DD) |
94-96.5 42DD XXL XXL (D-DD) |