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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 Guide

Don’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."

Bra sizechart table

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.

Bra size chart
Asian Fit
Alpha Size Band Size Cup Size Underbust Measurement (cm) Underbust Measurement (Inches)
XS 28 A - C 58.5 - 61 23'' - 24''
S 30 A - C 63.5 - 66 25'' - 26''
M 30 - 34 A - DD 63.5 - 76 25'' - 30''
L 32 - 36 A - DD 68.5 - 81 27'' - 32''
XL 36 - 38 A - DD 78.5 - 86 31'' - 34''
XXL 38 - 42 A - DD 84 - 96.5 33'' - 38''
Standard Fit
Alpha Size Band Size Cup Size Underbust Measurement (cm) Underbust Measurement (Inches)
XS 30 A - C 63.5 - 66 25'' - 26''
S 30 - 34 A - DD 63.5 - 76 25'' - 30''
M 32 - 36 A - DD 68.5 - 81 27'' - 32''
L 36 - 38 A - DD 78.5 - 86 31'' - 34''
XL 38 - 42 A - DD 83.5 - 96.5 33'' - 38''
XXL 42 - 44 A - DD 94 - 101.5 37'' - 40''

Fitness Coach Selena's sports bra picks