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Find Your Bra Fit

Before you start, wear an unlined bra that supports your natural shape. This will ensure the most accurate measurements.

Woman wearing a black sports bra.
Stride Lite Sports Bra. Size Tip: Round down if you get an odd number.

Step 1

Measure
Your Band

Wrap a measuring tape around your back, pulling it under your arms and just above 
the bust. Take note of this measurement.

Step 1

Measure
Your Band

Wrap a measuring tape around your back, pulling it under your arms and just above the bust. Take note of this measurement. Round down if you get an odd number.

Woman wearing a black sports bra
Stride Lite Sports Bra
Woman wearing the Vital Bra Sports Bra.
Vital Bra Sports Bra. Size Tip. If the number falls on the half inch, round up.

Step 2

Measure
Your Bust

Wrap the measuring tape around your back, pulling it under your arms to the fullest part of your bust. Ensure the tape is not pressing in and is parallel to the floor. Take note of this measurement.

Step 2

Measure
Your Bust

Wrap the measuring tape around your back, pulling it under your arms to the fullest part of your bust. Ensure the tape is not pressing in and is parallel to the floor. Take note of this measurement. If the number falls on the half-inch, round up.

Woman wearing a the Vita Bra Sports Bra
Vital Bra Sports Bra
Woman wearing the Interval Sports Bra holding a kettle bell.
Interval Sports Bra.

Step 3

Find Your
Cup Size

Take the difference between your band and bust measurements. The difference will indicate your cup size.

1=A 2=B 3=C 4=D 5=DD

Step 3

Find Your
Cup Size

Take the difference between your band and bust measurements. The difference will indicate your cup size.

1=A 2=B 3=C 4=D 5=DD

Woman wearing a the Interval Sports Bra holding a kettle bell.
Interval Sports Bra.
Four women in Athleta sports gear.

Step 4

Convert Size

Good news—you have your bra size (band + cup). Use our bra size conversion chart below to find your ideal Athleta fit.

Size Chart

Step 4

Convert Size

Good news—you have your bra size (band + cup). Use our bra size conversion chart below to find your ideal Athleta fit.

Size Chart

Four women in Athleta sports gear.
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