4.5
Rated 4.5 out of 5 stars
6,641 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 6,641 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
Write a Review (Opens in a new window)
6,641 reviews
  • Kristen
    Verified Buyer
    10 minutes ago
    Rated 5 out of 5 stars
    Best bra

    This is my ultimate favourite bra! I have bought 3 of these. Great support and coverage, but I do tend to get sweaty on hot days.

    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
    Was this helpful?
  • Chantal d.
    Verified Buyer
    23 hours ago
    Rated 5 out of 5 stars
    Je l'adore

    J'ai été confortable tout de suite en le portant pour la première fois.

    Tissus solide et de qualité !

    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
    Was this helpful?
  • Ileen L.
    Verified Reviewer
    3 days 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
    Was this helpful?
Reviews LoadedReviews Added
Bras

BrasArrow 2

Leggings

LeggingsArrow 2

Shorts

Shorts & SkortsArrow 2

Tops

TopsArrow 2

Training Sets

Training SetsArrow 2

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.

SHOP NOWTikTok
Matchpoint Training Set

Matchpoint

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

SHOP NOWTikTok
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.

SHOP NOWTikTok
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. 

SHOP NOWTikTok