4.5
Rated 4.5 out of 5 stars
6,638 Reviews

Catalyst Sports Bra

Our highly popular high-impact bra that handles your hardest workouts.
$75.00 USD
Sydney is a 34A and wears a Knix size 1
Product image
Sydney is a 34A and wears a Knix size 1
Sydney is a 34A and wears a Knix size 1
Sydney is a 34A and wears a Knix size 1
4.5
Rated 4.5 out of 5 stars
Based on 6,638 reviews
ComfortRated 4.5 on a scale of 1 to 5
SizingRated -0.1 on a scale of minus 2 to 2
SupportRated 4.6 on a scale of 1 to 5
91%would recommend these products
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6,638 reviews
  • Ileen L.
    Verified Reviewer
    3 hours ago
    Rated 5 out of 5 stars
    Catalyst Sports Bra

    Love these bras. They are very supportive, especially for the larger breasted woman, and long lasting. But I am disappointed that the colors are so limited now. What happened to all the lovely colors that were available.

    ComfortRated 5.0 on a scale of 1 to 5
    SizingRated 0.0 on a scale of minus 2 to 2
    SupportRated 5.0 on a scale of 1 to 5
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  • Micheline L.
    Verified Buyer
    12 hours ago
    Rated 5 out of 5 stars
    Très satisfaite

    Légère, tissu très doux, s'ajuste très bien et reste en place, confortable

    ComfortRated 5.0 on a scale of 1 to 5
    SizingRated 0.0 on a scale of minus 2 to 2
    SupportRated 5.0 on a scale of 1 to 5
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  • Carolina E.
    Verified Reviewer
    3 days ago
    Rated 5 out of 5 stars
    The best sports bra, especially for bigger breasts

    I love this sports bra. I wear a size 8 and I use wear this bra for running and HIIT classes. Nothing else compares to how comfortable and supportive this bra is, really! I would love to see a dark green, navy, and chocolate brown for fall.

    ComfortRated 5.0 on a scale of 1 to 5
    SizingRated 0.0 on a scale of minus 2 to 2
    SupportRated 5.0 on a scale of 1 to 5
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Bras

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Leggings

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Shorts

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Tops

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Training Sets

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Training Sets

Whatever way you choose to move, Knix has the perfect set to support your practice.

Rain or Shine Training Set

Rain or Shine

Your full outfit to go after your goals on any day, in any environment. Includes the Pursuit Training Jacket, Engage Medium Impact Sports Bra and Pursuit Leakproof Training Short in your choice of colors.

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Matchpoint Training Set

Matchpoint

Includes the LeakStrong™ Leakproof Skort and  HiTouch™ Active Contour Tank in your choice of colors.

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Full Focus Training Set

Full Focus

Includes the Engage Medium Impact Sports Bra and HiTouch™ High Rise Legging with Piping in your choice of colors.

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High Impact Training Set

High Impact

Our highly popular high-impact bra and ultimate training pant. Includes a Catalyst Front Zip Sports Bra and a Pursuit Leakproof Training Legging in your choice of colors. 

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