Catalyst Front Zip Sports Bra
$88.00
CAD
10% off Bra & Underwear Sets*
Our most supportive sports bra
Ventilation for increased airflow
Full coverage fit
Easy on and off front zip
Size and Fit Guide
Use Our Calculator to Find Your Traditional Bra Size



Step 12 of 2
Your Results
Measure Your Under Bust
Measure Your Full Bust
Wearing an unpadded bra, wrap a measuring tape around the top of your ribcage. You’re looking for a snug fit - so we recommend tightening on the exhale and noting the smallest measurement to the decimal.
Wrap the measuring tape around the fullest part of your chest, making sure the measuring tape is paralell to the floor. Relax your shoulders and measure where it falls.
At Knix, your size is
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High Impact Support
You are in control of your performance with our most supportive, full-coverage sports bra. Made with encapsulated cups for maximum support and locked in feel.
Feels Made For You
The traditional adjustable hook and eye back closure, featuring five rows, allows you to find the perfect fit easily. Easy front zip closure. Ventilation in the front helps you stay cool throughout your workout.
Functional Style
The breathable, moisture-wicking fabric and ventilation in the front help you stay cool throughout your workout. Made with encapsulated cups for maximum support and a locked-in feel.
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How to Choose?
Essential
- • Everyday Wear
- • No leakproof protection
Heavy
- • heavy period days
- • overnight protection
- • light bladder leaks
Light
- • light period days
- • sweat
- • sweat and discharge
Moderate
- • moderate period days
- • light bladder leaks
- • sweat
Ultra
- • extra heavy period days
- • overnight protection
- • light bladder leaks